"/> "/> List of Freshwater Fishes for Brazil 2796 Record number 1 to 2796  |  

Order	Family	Species	Status	FB name	Name
Characiformes	Anostomidae	Abramites hypselonotus	native	Marbled headstander	Piau-tambaqui
Siluriformes	Loricariidae	Acanthicus adonis	native		Acary avion
Siluriformes	Loricariidae	Acanthicus hystrix	native
Siluriformes	Doradidae	Acanthodoras cataphractus	native	Spiny catfish	Daqueiro
Siluriformes	Doradidae	Acanthodoras depressus	native
Siluriformes	Doradidae	Acanthodoras spinosissimus	native	Talking catfish
Siluriformes	Trichomycteridae	Acanthopoma annectens	native
Perciformes	Cichlidae	Acarichthys heckelii	native	Threadfin acara
Perciformes	Cichlidae	Acaronia nassa	native	Bigeye cichlid
Perciformes	Cichlidae	Acaronia vultuosa	native
Siluriformes	Heptapteridae	Acentronichthys leptos	endemic		Bagre
Siluriformes	Loricariidae	Acestridium discus	native
Siluriformes	Loricariidae	Acestridium triplax	native
Characiformes	Characidae	Acestrocephalus acutus	native
Characiformes	Characidae	Acestrocephalus maculosus	native
Characiformes	Characidae	Acestrocephalus nigrifasciatus	native
Characiformes	Characidae	Acestrocephalus pallidus	native
Characiformes	Characidae	Acestrocephalus sardina	native
Characiformes	Characidae	Acestrocephalus stigmatus	native
Characiformes	Acestrorhynchidae	Acestrorhynchus abbreviatus	native		Cachorrinho
Characiformes	Acestrorhynchidae	Acestrorhynchus altus	native		Cachorrinho
Characiformes	Acestrorhynchidae	Acestrorhynchus britskii	native		Peixe cachorro
Characiformes	Acestrorhynchidae	Acestrorhynchus falcatus	native		Ueua
Characiformes	Acestrorhynchidae	Acestrorhynchus falcirostris	native		Peixe cachorro
Characiformes	Acestrorhynchidae	Acestrorhynchus grandoculis	native		Peixe cachorro
Characiformes	Acestrorhynchidae	Acestrorhynchus heterolepis	native		Peixe cachorro
Characiformes	Acestrorhynchidae	Acestrorhynchus isalineae	native
Characiformes	Acestrorhynchidae	Acestrorhynchus lacustris	native		Peixe-cadela
Characiformes	Acestrorhynchidae	Acestrorhynchus maculipinna	native		Peixe cachorro
Characiformes	Acestrorhynchidae	Acestrorhynchus microlepis	native	Pike characin	Cachorinho
Characiformes	Acestrorhynchidae	Acestrorhynchus minimus	native		Cachorrinho
Characiformes	Acestrorhynchidae	Acestrorhynchus nasutus	native		Cachorrinho
Characiformes	Acestrorhynchidae	Acestrorhynchus pantaneiro	native		Peixe cachorro
Pleuronectiformes	Achiridae	Achirus achirus	native	Drab sole	Linguado
Characiformes	Characidae	Acinocheirodon melanogramma	native		Lambari
Characiformes	Characidae	Acnodon normani	native	Sheep-pacu	Pacu
Characiformes	Characidae	Acnodon senai	native
Gymnotiformes	Apteronotidae	Adontosternarchus balaenops	native
Gymnotiformes	Apteronotidae	Adontosternarchus clarkae	native
Gymnotiformes	Apteronotidae	Adontosternarchus devenanzii	native
Gymnotiformes	Apteronotidae	Adontosternarchus nebulosus	native
Gymnotiformes	Apteronotidae	Adontosternarchus sachsi	native
Perciformes	Cichlidae	Aequidens diadema	native
Perciformes	Cichlidae	Aequidens epae	native
Perciformes	Cichlidae	Aequidens gerciliae	endemic
Perciformes	Cichlidae	Aequidens hoehnei	native
Perciformes	Cichlidae	Aequidens mauesanus	native
Perciformes	Cichlidae	Aequidens michaeli	native
Perciformes	Cichlidae	Aequidens pallidus	native	Doublespot acara
Perciformes	Cichlidae	Aequidens plagiozonatus	native
Perciformes	Cichlidae	Aequidens rondoni	native
Perciformes	Cichlidae	Aequidens tetramerus	native	Saddle cichlid	Carà
Perciformes	Cichlidae	Aequidens tubicen	native
Perciformes	Cichlidae	Aequidens viridis	native		Acará cascudo
Siluriformes	Doradidae	Agamyxis pectinifrons	native	Whitebarred catfish
Siluriformes	Auchenipteridae	Ageneiosus atronasus	native
Siluriformes	Auchenipteridae	Ageneiosus brevis	native
Siluriformes	Auchenipteridae	Ageneiosus inermis	native	Manduba	Palmito
Siluriformes	Auchenipteridae	Ageneiosus militaris	native		Fidalgo
Siluriformes	Auchenipteridae	Ageneiosus piperatus	native
Siluriformes	Auchenipteridae	Ageneiosus polystictus	native
Siluriformes	Auchenipteridae	Ageneiosus ucayalensis	native		Bocudo
Siluriformes	Auchenipteridae	Ageneiosus vittatus	native
Characiformes	Characidae	Agoniates anchovia	native
Characiformes	Characidae	Agoniates halecinus	native		Maiaca
Siluriformes	Pimelodidae	Aguarunichthys inpai	native
Siluriformes	Pimelodidae	Aguarunichthys tocantinsensis	native
Siluriformes	Aspredinidae	Amaralia hypsiura	native
Clupeiformes	Engraulidae	Amazonsprattus scintilla	native	Rio Negro pygmy anchovy
Siluriformes	Doradidae	Amblydoras affinis	native
Siluriformes	Doradidae	Amblydoras hancockii	native	Blue-eye catfish	Qui ri - qui ri
Siluriformes	Doradidae	Amblydoras monitor	native
Characiformes	Crenuchidae	Ammocryptocharax elegans	native
Characiformes	Crenuchidae	Ammocryptocharax minutus	native
Siluriformes	Trichomycteridae	Ammoglanis diaphanus	native
Cyprinodontiformes	Anablepidae	Anableps anableps	native	Largescale foureyes	Quatro-olhos
Cyprinodontiformes	Anablepidae	Anableps microlepis	native	Foureyes	Tralhote
Siluriformes	Doradidae	Anadoras insculptus	native
Siluriformes	Doradidae	Anadoras regani	native		qui ri - qui ri
Siluriformes	Doradidae	Anadoras weddellii	native		Carataí
Clupeiformes	Engraulidae	Anchoa spinifer	native	Spicule anchovy	Sardinha
Clupeiformes	Engraulidae	Anchovia surinamensis	native	Surinam anchovy
Clupeiformes	Engraulidae	Anchoviella carrikeri	native	Carriker's anchovy
Clupeiformes	Engraulidae	Anchoviella guianensis	native	Guyana anchovy	Sardinha
Clupeiformes	Engraulidae	Anchoviella jamesi	native	James's anchovy
Clupeiformes	Engraulidae	Anchoviella lepidentostole	native	Broadband anchovy	Sardinha
Clupeiformes	Engraulidae	Anchoviella vaillanti	endemic	Vaillant's anchovy	Manjuba
Siluriformes	Loricariidae	Ancistrus aguaboensis	native
Siluriformes	Loricariidae	Ancistrus brevipinnis	endemic
Siluriformes	Loricariidae	Ancistrus cirrhosus	misidentification	Jumbie teta
Siluriformes	Loricariidae	Ancistrus claro	endemic
Siluriformes	Loricariidae	Ancistrus cryptophthalmus	endemic
Siluriformes	Loricariidae	Ancistrus damasceni	endemic
Siluriformes	Loricariidae	Ancistrus dolichopterus	native	Bushymouth catfish	Cascudo negro aba branca
Siluriformes	Loricariidae	Ancistrus dubius	native		Vieja
Siluriformes	Loricariidae	Ancistrus formoso	endemic
Siluriformes	Loricariidae	Ancistrus fulvus	endemic
Siluriformes	Loricariidae	Ancistrus hoplogenys	native		Bodozinho
Siluriformes	Loricariidae	Ancistrus jataiensis	native
Siluriformes	Loricariidae	Ancistrus latifrons	native
Siluriformes	Loricariidae	Ancistrus maculatus	endemic
Siluriformes	Loricariidae	Ancistrus mattogrossensis	native
Siluriformes	Loricariidae	Ancistrus minutus	endemic
Siluriformes	Loricariidae	Ancistrus multispinis	endemic		Barbadinho
Siluriformes	Loricariidae	Ancistrus parecis	native
Siluriformes	Loricariidae	Ancistrus ranunculus	endemic		Cascudo preto velho
Siluriformes	Loricariidae	Ancistrus reisi	native
Siluriformes	Loricariidae	Ancistrus salgadae	endemic
Siluriformes	Loricariidae	Ancistrus stigmaticus	endemic		Barbadinho
Siluriformes	Loricariidae	Ancistrus taunayi	native		Cascudo de espinhos
Siluriformes	Loricariidae	Ancistrus tombador	native
Siluriformes	Loricariidae	Ancistrus verecundus	native
Siluriformes	Doradidae	Anduzedoras oxyrhynchus	native
Anguilliformes	Anguillidae	Anguilla anguilla	not established	European eel	Enguia
Anguilliformes	Anguillidae	Anguilla japonica	not established	Japanese eel	Enguia
Characiformes	Hemiodontidae	Anodus elongatus	native		Ubarana
Characiformes	Hemiodontidae	Anodus orinocensis	native		Ubarana
Characiformes	Anostomidae	Anostomoides laticeps	native		Araçu
Characiformes	Anostomidae	Anostomoides passionis	native
Characiformes	Anostomidae	Anostomus anostomus	native	Striped headstander	Anostomo
Characiformes	Anostomidae	Anostomus intermedius	native
Characiformes	Anostomidae	Anostomus ternetzi	native		Anostomo
Characiformes	Parodontidae	Apareiodon affinis	native	Darter characine	Duro-duro
Characiformes	Parodontidae	Apareiodon argenteus	native
Characiformes	Parodontidae	Apareiodon cavalcante	native
Characiformes	Parodontidae	Apareiodon davisi	native		Piaba-rei
Characiformes	Parodontidae	Apareiodon hasemani	native		Canivete
Characiformes	Parodontidae	Apareiodon ibitiensis	native		Ibiti sucker characin
Characiformes	Parodontidae	Apareiodon itapicuruensis	native
Characiformes	Parodontidae	Apareiodon machrisi	native
Characiformes	Parodontidae	Apareiodon piracicabae	native		Canivete
Characiformes	Parodontidae	Apareiodon tigrinus	native
Characiformes	Parodontidae	Apareiodon vittatus	native
Characiformes	Parodontidae	Apareiodon vladii	native
Siluriformes	Loricariidae	Aphanotorulus unicolor	native
Characiformes	Characidae	Aphyocharax agassizii	native
Characiformes	Characidae	Aphyocharax alburnus	native	Goldencrown tetra
Characiformes	Characidae	Aphyocharax anisitsi	native	Bloodfin tetra
Characiformes	Characidae	Aphyocharax dentatus	native
Characiformes	Characidae	Aphyocharax nattereri	native
Characiformes	Characidae	Aphyocharax paraguayensis	native
Characiformes	Characidae	Aphyocheirodon hemigrammus	native		Lambari
Cyprinodontiformes	Rivulidae	Aphyolebias boticarioi	native
Pleuronectiformes	Achiridae	Apionichthys asphyxiatus	native		Sóia
Pleuronectiformes	Achiridae	Apionichthys dumerili	native	Longtail sole	Linguado
Pleuronectiformes	Achiridae	Apionichthys finis	native		Linguado
Pleuronectiformes	Achiridae	Apionichthys menezesi	native
Pleuronectiformes	Achiridae	Apionichthys nattereri	native		Linguado
Pleuronectiformes	Achiridae	Apionichthys rosai	native
Pleuronectiformes	Achiridae	Apionichthys seripierriae	native
Perciformes	Cichlidae	Apistogramma acrensis	native
Perciformes	Cichlidae	Apistogramma agassizii	native	Agassiz's dwarf cichlid	Agassízi
Perciformes	Cichlidae	Apistogramma amoena	misidentification	Pleasant cichlid
Perciformes	Cichlidae	Apistogramma angayuara	native
Perciformes	Cichlidae	Apistogramma arua	native
Perciformes	Cichlidae	Apistogramma bitaeniata	native
Perciformes	Cichlidae	Apistogramma borellii	native	Umbrella cichlid
Perciformes	Cichlidae	Apistogramma brevis	native
Perciformes	Cichlidae	Apistogramma cacatuoides	native	Cockatoo cichlid
Perciformes	Cichlidae	Apistogramma caetei	native
Perciformes	Cichlidae	Apistogramma commbrae	native	Corumba cichlid
Perciformes	Cichlidae	Apistogramma diplotaenia	native
Perciformes	Cichlidae	Apistogramma elizabethae	native
Perciformes	Cichlidae	Apistogramma eunotus	native
Perciformes	Cichlidae	Apistogramma geisleri	native
Perciformes	Cichlidae	Apistogramma gephyra	native
Perciformes	Cichlidae	Apistogramma gibbiceps	native
Perciformes	Cichlidae	Apistogramma gossei	native
Perciformes	Cichlidae	Apistogramma hippolytae	native
Perciformes	Cichlidae	Apistogramma inconspicua	native
Perciformes	Cichlidae	Apistogramma juruensis	native
Perciformes	Cichlidae	Apistogramma maciliense	native
Perciformes	Cichlidae	Apistogramma meinkeni	native
Perciformes	Cichlidae	Apistogramma mendezi	native
Perciformes	Cichlidae	Apistogramma moae	native
Perciformes	Cichlidae	Apistogramma paucisquamis	native
Perciformes	Cichlidae	Apistogramma personata	native
Perciformes	Cichlidae	Apistogramma pertensis	endemic	Amazon dwarf cichlid
Perciformes	Cichlidae	Apistogramma piauiensis	native
Perciformes	Cichlidae	Apistogramma pulchra	native
Perciformes	Cichlidae	Apistogramma regani	native
Perciformes	Cichlidae	Apistogramma resticulosa	native
Perciformes	Cichlidae	Apistogramma rupununi	native	Two-spot Apistogramma
Perciformes	Cichlidae	Apistogramma salpinction	native
Perciformes	Cichlidae	Apistogramma staecki	native
Perciformes	Cichlidae	Apistogramma taeniata	native
Perciformes	Cichlidae	Apistogramma trifasciata	native
Perciformes	Cichlidae	Apistogramma tucurui	native
Perciformes	Cichlidae	Apistogramma uaupesi	native
Perciformes	Cichlidae	Apistogramma wapisana	native
Gymnotiformes	Apteronotidae	Apteronotus albifrons	native	Black ghost	Itoui cavalo
Gymnotiformes	Apteronotidae	Apteronotus bonapartii	native
Gymnotiformes	Apteronotidae	Apteronotus brasiliensis	native
Gymnotiformes	Apteronotidae	Apteronotus camposdapazi	native
Gymnotiformes	Apteronotidae	Apteronotus caudimaculosus	native
Gymnotiformes	Apteronotidae	Apteronotus leptorhynchus	native
Gymnotiformes	Apteronotidae	Apteronotus macrolepis	native
Osteoglossiformes	Arapaimidae	Arapaima gigas	native	Arapaima	Bodeco
Gymnotiformes	Sternopygidae	Archolaemus blax	native
Characiformes	Hemiodontidae	Argonectes longiceps	native		Jatuarana
Characiformes	Hemiodontidae	Argonectes robertsi	native		Jatuarana
Cypriniformes	Cyprinidae	Aristichthys nobilis	not established	Bighead carp
Siluriformes	Callichthyidae	Aspidoras albater	native	False macropterus
Siluriformes	Callichthyidae	Aspidoras belenos	native
Siluriformes	Callichthyidae	Aspidoras brunneus	native
Siluriformes	Callichthyidae	Aspidoras carvalhoi	native
Siluriformes	Callichthyidae	Aspidoras depinnai	native
Siluriformes	Callichthyidae	Aspidoras eurycephalus	native
Siluriformes	Callichthyidae	Aspidoras fuscoguttatus	native
Siluriformes	Callichthyidae	Aspidoras lakoi	native
Siluriformes	Callichthyidae	Aspidoras maculosus	native
Siluriformes	Callichthyidae	Aspidoras menezesi	native
Siluriformes	Callichthyidae	Aspidoras microgalaeus	native
Siluriformes	Callichthyidae	Aspidoras pauciradiatus	native	Sixray corydoras
Siluriformes	Callichthyidae	Aspidoras poecilus	native
Siluriformes	Callichthyidae	Aspidoras psammatides	native
Siluriformes	Callichthyidae	Aspidoras raimundi	native
Siluriformes	Callichthyidae	Aspidoras rochai	native		Comboeiro
Siluriformes	Callichthyidae	Aspidoras spilotus	native
Siluriformes	Callichthyidae	Aspidoras taurus	native
Siluriformes	Callichthyidae	Aspidoras velites	native
Siluriformes	Callichthyidae	Aspidoras virgulatus	native
Siluriformes	Ariidae	Aspistor luniscutis	native		Bagre amarelo
Siluriformes	Ariidae	Aspistor quadriscutis	native	Bressou sea catfish	Bagre
Siluriformes	Aspredinidae	Aspredinichthys filamentosus	native	Sevenbarbed banjo
Siluriformes	Aspredinidae	Aspredinichthys tibicen	native	Tenbarbed banjo	Viola
Siluriformes	Aspredinidae	Aspredo aspredo	native	Banjo	Viola
Siluriformes	Auchenipteridae	Asterophysus batrachus	native
Siluriformes	Doradidae	Astrodoras asterifrons	native
Perciformes	Cichlidae	Astronotus crassipinnis	native		Acará açu
Perciformes	Cichlidae	Astronotus ocellatus	native	Oscar	Corró-baiano
Characiformes	Characidae	Astyanacinus goyanensis	native
Characiformes	Characidae	Astyanacinus moorii	native
Characiformes	Characidae	Astyanax abramis	native		Acará-pixuma
Characiformes	Characidae	Astyanax alburnus	native
Characiformes	Characidae	Astyanax altiparanae	native
Characiformes	Characidae	Astyanax anterior	native
Characiformes	Characidae	Astyanax argyrimarginatus	native
Characiformes	Characidae	Astyanax bimaculatus	native	Twospot astyanax	Machadinha
Characiformes	Characidae	Astyanax biotae	native
Characiformes	Characidae	Astyanax bockmanni	native
Characiformes	Characidae	Astyanax bourgeti	native
Characiformes	Characidae	Astyanax brachypterygium	native
Characiformes	Characidae	Astyanax brevirhinus	native
Characiformes	Characidae	Astyanax clavitaeniatus	native
Characiformes	Characidae	Astyanax cremnobates	native
Characiformes	Characidae	Astyanax depressirostris	native
Characiformes	Characidae	Astyanax dnophos	native
Characiformes	Characidae	Astyanax eigenmanniorum	native
Characiformes	Characidae	Astyanax elachylepis	native
Characiformes	Characidae	Astyanax epiagos	native
Characiformes	Characidae	Astyanax fasciatus	native	Banded astyanax
Characiformes	Characidae	Astyanax giton	native
Characiformes	Characidae	Astyanax goyacensis	native
Characiformes	Characidae	Astyanax gracilior	native
Characiformes	Characidae	Astyanax guaporensis	native
Characiformes	Characidae	Astyanax gymnogenys	native
Characiformes	Characidae	Astyanax hastatus	native
Characiformes	Characidae	Astyanax henseli	native
Characiformes	Characidae	Astyanax intermedius	native
Characiformes	Characidae	Astyanax jacobinae	native	Piaba	Piaba
Characiformes	Characidae	Astyanax jacuhiensis	native
Characiformes	Characidae	Astyanax janeiroensis	native
Characiformes	Characidae	Astyanax jenynsii	native
Characiformes	Characidae	Astyanax kullanderi	native
Characiformes	Characidae	Astyanax lacustris	native
Characiformes	Characidae	Astyanax laticeps	native
Characiformes	Characidae	Astyanax leopoldi	native
Characiformes	Characidae	Astyanax lineatus	native
Characiformes	Characidae	Astyanax maculisquamis	native
Characiformes	Characidae	Astyanax marionae	native
Characiformes	Characidae	Astyanax microschemos	native
Characiformes	Characidae	Astyanax multidens	native
Characiformes	Characidae	Astyanax obscurus	native
Characiformes	Characidae	Astyanax parahybae	native		Lambari
Characiformes	Characidae	Astyanax paranae	native
Characiformes	Characidae	Astyanax paranahybae	native
Characiformes	Characidae	Astyanax pedri	native		Lambari
Characiformes	Characidae	Astyanax pelecus	native
Characiformes	Characidae	Astyanax ribeirae	native
Characiformes	Characidae	Astyanax rivularis	native
Characiformes	Characidae	Astyanax saltor	native
Characiformes	Characidae	Astyanax scabripinnis	native
Characiformes	Characidae	Astyanax schubarti	native
Characiformes	Characidae	Astyanax stilbe	native
Characiformes	Characidae	Astyanax symmetricus	native
Characiformes	Characidae	Astyanax taeniatus	native		Piaba-branca
Characiformes	Characidae	Astyanax totae	native
Characiformes	Characidae	Astyanax trierythropterus	native
Characiformes	Characidae	Astyanax turmalinensis	native
Characiformes	Characidae	Astyanax unitaeniatus	native
Characiformes	Characidae	Astyanax utiariti	native
Characiformes	Characidae	Astyanax varzeae	native
Characiformes	Characidae	Atopomesus pachyodus	native
Siluriformes	Auchenipteridae	Auchenipterichthys longimanus	native
Siluriformes	Auchenipteridae	Auchenipterichthys punctatus	native
Siluriformes	Auchenipteridae	Auchenipterus ambyiacus	native
Siluriformes	Auchenipteridae	Auchenipterus brachyurus	native
Siluriformes	Auchenipteridae	Auchenipterus britskii	native
Siluriformes	Auchenipteridae	Auchenipterus fordicei	native
Siluriformes	Auchenipteridae	Auchenipterus menezesi	native		Peixe-gato
Siluriformes	Auchenipteridae	Auchenipterus nigripinnis	native		Hocicón
Siluriformes	Auchenipteridae	Auchenipterus nuchalis	native		Mandi peruano
Siluriformes	Auchenipteridae	Auchenipterus osteomystax	native		Palmitinho
Perciformes	Cichlidae	Australoheros charrua	native
Perciformes	Cichlidae	Australoheros facetus	native	Chameleon cichlid
Perciformes	Cichlidae	Australoheros forquilha	native
Perciformes	Cichlidae	Australoheros kaaygua	native
Perciformes	Cichlidae	Australoheros minuano	native
Perciformes	Cichlidae	Australoheros ribeirae	endemic
Perciformes	Cichlidae	Australoheros scitulus	native
Cyprinodontiformes	Rivulidae	Austrolebias adloffi	native
Cyprinodontiformes	Rivulidae	Austrolebias affinis	questionable
Cyprinodontiformes	Rivulidae	Austrolebias alexandri	native
Cyprinodontiformes	Rivulidae	Austrolebias carvalhoi	endemic
Cyprinodontiformes	Rivulidae	Austrolebias charrua	native
Cyprinodontiformes	Rivulidae	Austrolebias cyaneus	native
Cyprinodontiformes	Rivulidae	Austrolebias gymnoventris	questionable
Cyprinodontiformes	Rivulidae	Austrolebias ibicuiensis	native
Cyprinodontiformes	Rivulidae	Austrolebias jaegari	native
Cyprinodontiformes	Rivulidae	Austrolebias juanlangi	native
Cyprinodontiformes	Rivulidae	Austrolebias litzi	native
Cyprinodontiformes	Rivulidae	Austrolebias luteoflammulatus	native
Cyprinodontiformes	Rivulidae	Austrolebias melanoorus	questionable
Cyprinodontiformes	Rivulidae	Austrolebias minuano	native
Cyprinodontiformes	Rivulidae	Austrolebias nachtigalli	native
Cyprinodontiformes	Rivulidae	Austrolebias nigrofasciatus	native
Cyprinodontiformes	Rivulidae	Austrolebias patriciae	questionable
Cyprinodontiformes	Rivulidae	Austrolebias paucisquama	native
Cyprinodontiformes	Rivulidae	Austrolebias periodicus	native
Cyprinodontiformes	Rivulidae	Austrolebias salviai	native
Cyprinodontiformes	Rivulidae	Austrolebias univentripinnis	native
Cyprinodontiformes	Rivulidae	Austrolebias varzeae	native
Cyprinodontiformes	Rivulidae	Austrolebias vazferreirai	questionable
Perciformes	Gobiidae	Awaous flavus	native
Perciformes	Gobiidae	Awaous tajasica	native	Sand fish
Characiformes	Characidae	Axelrodia lindeae	native
Characiformes	Characidae	Axelrodia stigmatias	native
Siluriformes	Ariidae	Bagre marinus	native	Gafftopsail sea catfish	Bagre-de-penacho
Siluriformes	Pimelodidae	Bagropsis reinhardti	native		Mandi-bagre
Characiformes	Characidae	Bario steindachneri	native		Lambari
Siluriformes	Loricariidae	Baryancistrus longipinnis	endemic
Siluriformes	Loricariidae	Baryancistrus niveatus	endemic
Siluriformes	Pseudopimelodidae	Batrochoglanis melanurus	native
Siluriformes	Pseudopimelodidae	Batrochoglanis raninus	native		Pacamao
Siluriformes	Pseudopimelodidae	Batrochoglanis villosus	native
Beloniformes	Belonidae	Belonion apodion	native
Beloniformes	Belonidae	Belonion dibranchodon	native
Siluriformes	Pimelodidae	Bergiaria westermanni	native
Perciformes	Osphronemidae	Betta splendens	introduced	Siamese fighting fish
Perciformes	Cichlidae	Biotodoma cupido	native	Greenstreaked eartheater
Perciformes	Cichlidae	Biotodoma wavrini	native	Orinoco eartheater
Perciformes	Cichlidae	Biotoecus opercularis	native
Characiformes	Hemiodontidae	Bivibranchia fowleri	native
Characiformes	Hemiodontidae	Bivibranchia notata	native
Characiformes	Hemiodontidae	Bivibranchia simulata	native
Characiformes	Hemiodontidae	Bivibranchia velox	native
Characiformes	Characidae	Boehlkea fredcochui	native	Cochu's blue tetra
Characiformes	Ctenoluciidae	Boulengerella cuvieri	native		Bicuda
Characiformes	Ctenoluciidae	Boulengerella lateristriga	native	Striped pike-characin
Characiformes	Ctenoluciidae	Boulengerella lucius	native	Golden pike-characin
Characiformes	Ctenoluciidae	Boulengerella maculata	native	Spotted pike-characin	Bicuda
Characiformes	Ctenoluciidae	Boulengerella xyrekes	native
Characiformes	Characidae	Brachychalcinus copei	native
Characiformes	Characidae	Brachychalcinus parnaibae	native
Characiformes	Characidae	Brachychalcinus retrospina	native
Siluriformes	Heptapteridae	Brachyglanis frenatus	native
Siluriformes	Heptapteridae	Brachyglanis microphthalmus	endemic
Siluriformes	Heptapteridae	Brachyglanis nocturnus	endemic
Gymnotiformes	Hypopomidae	Brachyhypopomus beebei	native		Itui
Gymnotiformes	Hypopomidae	Brachyhypopomus brevirostris	native	Bluntnose knifefish	Tuvira
Gymnotiformes	Hypopomidae	Brachyhypopomus draco	native
Gymnotiformes	Hypopomidae	Brachyhypopomus janeiroensis	native
Gymnotiformes	Hypopomidae	Brachyhypopomus jureiae	native
Gymnotiformes	Hypopomidae	Brachyhypopomus pinnicaudatus	native		Itui
Siluriformes	Pimelodidae	Brachyplatystoma capapretum	native
Siluriformes	Pimelodidae	Brachyplatystoma filamentosum	native	Kumakuma	Piriaba
Siluriformes	Pimelodidae	Brachyplatystoma juruense	native	Zebra catfish
Siluriformes	Pimelodidae	Brachyplatystoma platynemum	native	Slobbering catfish	Barbado
Siluriformes	Pimelodidae	Brachyplatystoma rousseauxii	native		Dourada
Siluriformes	Pimelodidae	Brachyplatystoma tigrinum	native	Tigerstriped catfish
Siluriformes	Pimelodidae	Brachyplatystoma vaillantii	native	Laulao catfish	Piramutaba
Siluriformes	Heptapteridae	Brachyrhamdia heteropleura	native
Siluriformes	Heptapteridae	Brachyrhamdia marthae	native
Siluriformes	Heptapteridae	Brachyrhamdia meesi	endemic
Siluriformes	Heptapteridae	Brachyrhamdia rambarrani	endemic
Characiformes	Characidae	Brittanichthys axelrodi	native
Characiformes	Characidae	Brittanichthys myersi	native
Siluriformes	Loricariidae	Brochiloricaria macrodon	native
Siluriformes	Callichthyidae	Brochis britskii	native	Britski's catfish
Siluriformes	Callichthyidae	Brochis splendens	native	Emerald catfish
Characiformes	Characidae	Brycon amazonicus	native		Jatuarana
Characiformes	Characidae	Brycon cephalus	misidentification		Sábalo
Characiformes	Characidae	Brycon devillei	native
Characiformes	Characidae	Brycon falcatus	native		Matrinchã
Characiformes	Characidae	Brycon ferox	endemic		Piabanha
Characiformes	Characidae	Brycon gouldingi	native		Matrinchã
Characiformes	Characidae	Brycon hilarii	native		Piraputanga
Characiformes	Characidae	Brycon insignis	native	Tiete tetra	Piabanha
Characiformes	Characidae	Brycon melanopterus	native		Jatuarana
Characiformes	Characidae	Brycon nattereri	native		Pirapitinga
Characiformes	Characidae	Brycon opalinus	native		Pirapitinga
Characiformes	Characidae	Brycon orbignyanus	native		Bracanjuva
Characiformes	Characidae	Brycon orthotaenia	native		Matrinchã
Characiformes	Characidae	Brycon pesu	native	Mourning tetra	Piabano
Characiformes	Characidae	Brycon vermelha	native		Vermelha
Characiformes	Characidae	Bryconadenos tanaothoros	native
Characiformes	Characidae	Bryconamericus ecai	native
Characiformes	Characidae	Bryconamericus iheringii	native		Lambari
Characiformes	Characidae	Bryconamericus lambari	native
Characiformes	Characidae	Bryconamericus megalepis	native
Characiformes	Characidae	Bryconamericus microcephalus	native
Characiformes	Characidae	Bryconamericus novae	native
Characiformes	Characidae	Bryconamericus ornaticeps	native
Characiformes	Characidae	Bryconamericus patriciae	native
Characiformes	Characidae	Bryconamericus stramineus	native		Lambari
Characiformes	Characidae	Bryconamericus tenuis	native
Characiformes	Characidae	Bryconamericus ternetzi	native
Characiformes	Characidae	Bryconamericus turiuba	native
Characiformes	Characidae	Bryconamericus uporas	native
Characiformes	Characidae	Bryconella pallidifrons	native
Characiformes	Characidae	Bryconexodon juruenae	native
Characiformes	Characidae	Bryconexodon trombetasi	native
Characiformes	Characidae	Bryconops affinis	native	Orangefin tetra
Characiformes	Characidae	Bryconops caudomaculatus	native	Tailspot tetra
Characiformes	Characidae	Bryconops cyrtogaster	native
Characiformes	Characidae	Bryconops disruptus	native
Characiformes	Characidae	Bryconops durbini	native
Characiformes	Characidae	Bryconops gracilis	endemic
Characiformes	Characidae	Bryconops inpai	native
Characiformes	Characidae	Bryconops melanurus	native
Characiformes	Characidae	Bryconops transitoria	native
Perciformes	Cichlidae	Bujurquina peregrinabunda	native
Perciformes	Cichlidae	Bujurquina vittata	native	Banded acara	Acará-pirambocaia
Siluriformes	Aspredinidae	Bunocephalus aleuropsis	native
Siluriformes	Aspredinidae	Bunocephalus amaurus	native	Camouflaged catfish
Siluriformes	Aspredinidae	Bunocephalus amazonicus	native
Siluriformes	Aspredinidae	Bunocephalus bifidus	native
Siluriformes	Aspredinidae	Bunocephalus coracoideus	native	Guitarrita	Guitarrero
Siluriformes	Aspredinidae	Bunocephalus doriae	native
Siluriformes	Aspredinidae	Bunocephalus iheringii	native
Siluriformes	Aspredinidae	Bunocephalus larai	native
Siluriformes	Aspredinidae	Bunocephalus rugosus	native
Siluriformes	Aspredinidae	Bunocephalus verrucosus	native	Bark catfish
Characiformes	Chilodontidae	Caenotropus labyrinthicus	native		Cabeça dura
Characiformes	Chilodontidae	Caenotropus mestomorgmatos	native
Characiformes	Chilodontidae	Caenotropus schizodon	native
Characiformes	Characidae	Caiapobrycon tucurui	native
Siluriformes	Callichthyidae	Callichthys callichthys	native	Cascarudo	Tamuatá
Siluriformes	Pimelodidae	Calophysus macropterus	native	Zamurito	Piracatinga
Cyprinodontiformes	Rivulidae	Campellolebias brucei	endemic	Swordfin killifish
Cyprinodontiformes	Rivulidae	Campellolebias chrysolineatus	endemic
Cyprinodontiformes	Rivulidae	Campellolebias dorsimaculatus	endemic
Cyprinodontiformes	Rivulidae	Campellolebias intermedius	endemic
Perciformes	Cichlidae	Caquetaia spectabilis	native		Acará rosada
Cypriniformes	Cyprinidae	Carassius auratus auratus	introduced	Goldfish
Carcharhiniformes	Carcharhinidae	Carcharhinus leucas	native	Bull shark	Cabeça chata
Characiformes	Gasteropelecidae	Carnegiella marthae	native	Blackwing hatchetfish
Characiformes	Gasteropelecidae	Carnegiella schereri	native	Dwarf hatchetfish
Characiformes	Gasteropelecidae	Carnegiella strigata	native	Marbled hatchetfish
Pleuronectiformes	Achiridae	Catathyridium garmani	native		Linguado
Pleuronectiformes	Achiridae	Catathyridium grandirivi	native
Pleuronectiformes	Achiridae	Catathyridium jenynsii	native		Linguado
Pleuronectiformes	Achiridae	Catathyridium lorentzii	native		Linguado
Siluriformes	Ariidae	Cathorops agassizii	native
Siluriformes	Ariidae	Cathorops arenatus	native
Characiformes	Characidae	Catoprion mento	native	Wimple piranha	Catirina
Siluriformes	Doradidae	Centrodoras brachiatus	native
Siluriformes	Doradidae	Centrodoras hasemani	native
Siluriformes	Auchenipteridae	Centromochlus existimatus	native
Siluriformes	Auchenipteridae	Centromochlus macracanthus	native
Siluriformes	Auchenipteridae	Centromochlus schultzi	native
Perciformes	Centropomidae	Centropomus ensiferus	native	Swordspine snook	Robalo-galhudo
Perciformes	Centropomidae	Centropomus parallelus	native	Fat snook	Robalo peba
Perciformes	Centropomidae	Centropomus pectinatus	native	Tarpon snook	Robalo-constantino
Perciformes	Centropomidae	Centropomus undecimalis	native	Common snook	Robalo-de-galha
Siluriformes	Pseudopimelodidae	Cephalosilurus fowleri	endemic		Peixe-sapo
Siluriformes	Cetopsidae	Cetopsidium ferreirai	native
Siluriformes	Cetopsidae	Cetopsidium minutum	native
Siluriformes	Cetopsidae	Cetopsidium orientale	native
Siluriformes	Cetopsidae	Cetopsidium pemon	native
Siluriformes	Cetopsidae	Cetopsis arcana	native
Siluriformes	Cetopsidae	Cetopsis caiapo	native
Siluriformes	Cetopsidae	Cetopsis candiru	native
Siluriformes	Cetopsidae	Cetopsis coecutiens	native		Candiru
Siluriformes	Cetopsidae	Cetopsis gobioides	native		Candiru-açú
Siluriformes	Cetopsidae	Cetopsis oliveirai	native
Siluriformes	Cetopsidae	Cetopsis sandrae	native
Siluriformes	Cetopsidae	Cetopsis sarcodes	native
Siluriformes	Heptapteridae	Cetopsorhamdia iheringi	endemic		Bagrinho
Siluriformes	Heptapteridae	Cetopsorhamdia insidiosa	endemic
Siluriformes	Heptapteridae	Cetopsorhamdia molinae	native
Perciformes	Cichlidae	Chaetobranchopsis australis	native		Acara prata
Perciformes	Cichlidae	Chaetobranchopsis orbicularis	native		Acará cascudo
Perciformes	Cichlidae	Chaetobranchus flavescens	native		Acará prata
Perciformes	Cichlidae	Chaetobranchus semifasciatus	native
Siluriformes	Loricariidae	Chaetostoma jegui	endemic
Characiformes	Characidae	Chalceus erythrurus	native	Tucan fish
Characiformes	Characidae	Chalceus fasciatus	native
Characiformes	Characidae	Chalceus guaporensis	native
Characiformes	Characidae	Chalceus latus	native
Characiformes	Characidae	Chalceus macrolepidotus	native	Pinktail chalceus	Arari-pirá
Characiformes	Characidae	Chalceus spilogyros	native
Characiformes	Crenuchidae	Characidium alipioi	native
Characiformes	Crenuchidae	Characidium bahiense	native
Characiformes	Crenuchidae	Characidium bimaculatum	native
Characiformes	Crenuchidae	Characidium boavistae	native
Characiformes	Crenuchidae	Characidium brevirostre	native
Characiformes	Crenuchidae	Characidium crandellii	native
Characiformes	Crenuchidae	Characidium declivirostre	native
Characiformes	Crenuchidae	Characidium etheostoma	native
Characiformes	Crenuchidae	Characidium fasciatum	native	Darter characin
Characiformes	Crenuchidae	Characidium gomesi	native
Characiformes	Crenuchidae	Characidium grajahuensis	native
Characiformes	Crenuchidae	Characidium hasemani	native
Characiformes	Crenuchidae	Characidium heirmostigmata	native		Canivete
Characiformes	Crenuchidae	Characidium interruptum	native
Characiformes	Crenuchidae	Characidium japuhybense	native
Characiformes	Crenuchidae	Characidium lagosantense	native
Characiformes	Crenuchidae	Characidium lanei	native
Characiformes	Crenuchidae	Characidium lauroi	native
Characiformes	Crenuchidae	Characidium macrolepidotum	native
Characiformes	Crenuchidae	Characidium nupelia	native		Mocinha
Characiformes	Crenuchidae	Characidium occidentale	native
Characiformes	Crenuchidae	Characidium oiticicai	native
Characiformes	Crenuchidae	Characidium orientale	native
Characiformes	Crenuchidae	Characidium pterostictum	native
Characiformes	Crenuchidae	Characidium rachovii	native
Characiformes	Crenuchidae	Characidium roesseli	native
Characiformes	Crenuchidae	Characidium schubarti	native
Characiformes	Crenuchidae	Characidium serrano	native
Characiformes	Crenuchidae	Characidium steindachneri	native
Characiformes	Crenuchidae	Characidium stigmosum	native
Characiformes	Crenuchidae	Characidium tenue	native
Characiformes	Crenuchidae	Characidium timbuiense	native
Characiformes	Crenuchidae	Characidium vestigipinne	endemic
Characiformes	Crenuchidae	Characidium vidali	native
Characiformes	Crenuchidae	Characidium xanthopterum	native
Characiformes	Crenuchidae	Characidium xavante	native
Characiformes	Crenuchidae	Characidium zebra	native
Characiformes	Characidae	Charax caudimaculatus	native		Saicanga
Characiformes	Characidae	Charax condei	native
Characiformes	Characidae	Charax hemigrammus	native
Characiformes	Characidae	Charax leticiae	native
Characiformes	Characidae	Charax macrolepis	native
Characiformes	Characidae	Charax michaeli	native
Characiformes	Characidae	Charax niger	native
Characiformes	Characidae	Charax pauciradiatus	native		Cacunda
Characiformes	Characidae	Charax rupununi	native
Characiformes	Characidae	Charax stenopterus	native		Corcunda
Characiformes	Characidae	Charax unimaculatus	native
Siluriformes	Heptapteridae	Chasmocranus brachynema	endemic
Siluriformes	Heptapteridae	Chasmocranus longior	native
Siluriformes	Heptapteridae	Chasmocranus lopezi	endemic
Siluriformes	Heptapteridae	Chasmocranus truncatorostris	endemic
Siluriformes	Pimelodidae	Cheirocerus eques	native
Siluriformes	Pimelodidae	Cheirocerus goeldii	native
Characiformes	Characidae	Cheirodon ibicuhiensis	native		Lambari
Characiformes	Characidae	Cheirodon interruptus	native	Uruguay tetra	Lambari
Characiformes	Characidae	Cheirodon parahybae	native		Lambari
Characiformes	Chilodontidae	Chilodus gracilis	native
Characiformes	Chilodontidae	Chilodus punctatus	native	Spotted headstander
Perciformes	Cichlidae	Cichla jariina	native
Perciformes	Cichlidae	Cichla kelberi	native		Tucunaré amarela
Perciformes	Cichlidae	Cichla melaniae	native
Perciformes	Cichlidae	Cichla mirianae	native
Perciformes	Cichlidae	Cichla monoculus	native		Tucunaré açu
Perciformes	Cichlidae	Cichla nigromaculata	native
Perciformes	Cichlidae	Cichla ocellaris	native	Peacock cichlid	Tucunaré açu
Perciformes	Cichlidae	Cichla orinocensis	native
Perciformes	Cichlidae	Cichla pinima	native		Tucunaré pinima
Perciformes	Cichlidae	Cichla piquiti	native		Tucunaré
Perciformes	Cichlidae	Cichla pleiozona	native
Perciformes	Cichlidae	Cichla temensis	native	Speckled pavon	Tucunaré
Perciformes	Cichlidae	Cichla thyrorus	native
Perciformes	Cichlidae	Cichla vazzoleri	native
Perciformes	Cichlidae	Cichlasoma amazonarum	native		Acará
Perciformes	Cichlidae	Cichlasoma araguaiense	native
Perciformes	Cichlidae	Cichlasoma bimaculatum	native	Black acara	Acará
Perciformes	Cichlidae	Cichlasoma dimerus	native		Acará
Perciformes	Cichlidae	Cichlasoma orientale	native		Acará
Perciformes	Cichlidae	Cichlasoma paranaense	native
Perciformes	Cichlidae	Cichlasoma portalegrense	native
Perciformes	Cichlidae	Cichlasoma sanctifranciscense	native
Pleuronectiformes	Paralichthyidae	Citharichthys uhleri	native	Voodoo whiff
Siluriformes	Clariidae	Clarias gariepinus	introduced	North African catfish
Characiformes	Characidae	Clupeacharax anchoveoides	native
Cyprinodontiformes	Poeciliidae	Cnesterodon brevirostratus	native
Cyprinodontiformes	Poeciliidae	Cnesterodon carnegiei	native
Cyprinodontiformes	Poeciliidae	Cnesterodon decemmaculatus	native	Ten spotted live-bearer
Cyprinodontiformes	Poeciliidae	Cnesterodon hypselurus	native		Barrigudinho
Cyprinodontiformes	Poeciliidae	Cnesterodon iguape	native
Cyprinodontiformes	Poeciliidae	Cnesterodon omorgmatos	native		Barrigudinho
Cyprinodontiformes	Poeciliidae	Cnesterodon septentrionalis	native
Tetraodontiformes	Tetraodontidae	Colomesus psittacus	native	Banded puffer	Baiacu
Characiformes	Characidae	Colossoma macropomum	native	Tambaqui	Ruelo
Gymnotiformes	Apteronotidae	Compsaraia compsa	native
Characiformes	Characidae	Compsura heterura	native		Piabinha
Siluriformes	Pimelodidae	Conorhynchos conirostris	native
Characiformes	Lebiasinidae	Copeina guttata	native	Redspotted tetra
Characiformes	Lebiasinidae	Copella arnoldi	native	Splash tetra	Piratanta
Characiformes	Lebiasinidae	Copella carsevennensis	native
Characiformes	Lebiasinidae	Copella compta	native
Characiformes	Lebiasinidae	Copella eigenmanni	native
Characiformes	Lebiasinidae	Copella meinkeni	native
Characiformes	Lebiasinidae	Copella metae	native
Characiformes	Lebiasinidae	Copella nattereri	native	Spotted tetra
Characiformes	Lebiasinidae	Copella nigrofasciata	native
Characiformes	Lebiasinidae	Copella vilmae	native	Rainbow copella
Siluriformes	Trichomycteridae	Copionodon lianae	native
Siluriformes	Trichomycteridae	Copionodon orthiocarinatus	native
Siluriformes	Trichomycteridae	Copionodon pecten	native
Characiformes	Characidae	Coptobrycon bilineatus	native
Siluriformes	Loricariidae	Corumbataia britskii	native
Siluriformes	Loricariidae	Corumbataia cuestae	native
Siluriformes	Loricariidae	Corumbataia tocantinensis	native
Siluriformes	Loricariidae	Corumbataia veadeiros	native
Siluriformes	Callichthyidae	Corydoras acrensis	endemic	Acre corydoras
Siluriformes	Callichthyidae	Corydoras adolfoi	native	Adolf's catfish
Siluriformes	Callichthyidae	Corydoras aeneus	native	Bronze corydoras	Dunda
Siluriformes	Callichthyidae	Corydoras agassizii	native
Siluriformes	Callichthyidae	Corydoras amandajanea	native
Siluriformes	Callichthyidae	Corydoras amapaensis	native	Amapa corydoras
Siluriformes	Callichthyidae	Corydoras ambiacus	native	Spotted corydoras
Siluriformes	Callichthyidae	Corydoras araguaiaensis	native
Siluriformes	Callichthyidae	Corydoras arcuatus	native	Skunk corydoras	Tabatinga
Siluriformes	Callichthyidae	Corydoras areio	native
Siluriformes	Callichthyidae	Corydoras baderi	native
Siluriformes	Callichthyidae	Corydoras bifasciatus	native	Twostripe corydoras
Siluriformes	Callichthyidae	Corydoras blochi	native	Spotback corydoras
Siluriformes	Callichthyidae	Corydoras burgessi	native
Siluriformes	Callichthyidae	Corydoras caudimaculatus	native	Tailspot corydoras
Siluriformes	Callichthyidae	Corydoras cervinus	native
Siluriformes	Callichthyidae	Corydoras cochui	native	Barredtail corydoras
Siluriformes	Callichthyidae	Corydoras condiscipulus	native
Siluriformes	Callichthyidae	Corydoras crimmeni	native
Siluriformes	Callichthyidae	Corydoras crypticus	native
Siluriformes	Callichthyidae	Corydoras davidsandsi	native
Siluriformes	Callichthyidae	Corydoras difluviatilis	native
Siluriformes	Callichthyidae	Corydoras duplicareus	native
Siluriformes	Callichthyidae	Corydoras ehrhardti	native
Siluriformes	Callichthyidae	Corydoras elegans	native	Elegant corydoras
Siluriformes	Callichthyidae	Corydoras ephippifer	native	Saddle corydoras
Siluriformes	Callichthyidae	Corydoras eques	native
Siluriformes	Callichthyidae	Corydoras evelynae	native
Siluriformes	Callichthyidae	Corydoras flaveolus	native		Rouquinho
Siluriformes	Callichthyidae	Corydoras garbei	native
Siluriformes	Callichthyidae	Corydoras gossei	native	Palespotted corydoras
Siluriformes	Callichthyidae	Corydoras gracilis	native
Siluriformes	Callichthyidae	Corydoras griseus	native	Gray corydoras
Siluriformes	Callichthyidae	Corydoras guapore	native	Guapore corydoras
Siluriformes	Callichthyidae	Corydoras haraldschultzi	native	Mosaic corydoras
Siluriformes	Callichthyidae	Corydoras hastatus	native	Dwarf corydoras
Siluriformes	Callichthyidae	Corydoras imitator	native
Siluriformes	Callichthyidae	Corydoras incolicana	native
Siluriformes	Callichthyidae	Corydoras julii	native	Leopard corydoras
Siluriformes	Callichthyidae	Corydoras kanei	native
Siluriformes	Callichthyidae	Corydoras lacerdai	native
Siluriformes	Callichthyidae	Corydoras latus	misidentification
Siluriformes	Callichthyidae	Corydoras leopardus	native
Siluriformes	Callichthyidae	Corydoras maculifer	native	Dotted corydoras
Siluriformes	Callichthyidae	Corydoras melini	native	Bandit corydoras
Siluriformes	Callichthyidae	Corydoras multimaculatus	native
Siluriformes	Callichthyidae	Corydoras narcissus	native
Siluriformes	Callichthyidae	Corydoras nattereri	native	Blue corydoras	Coridoras
Siluriformes	Callichthyidae	Corydoras nijsseni	native
Siluriformes	Callichthyidae	Corydoras oiapoquensis	native
Siluriformes	Callichthyidae	Corydoras ornatus	native
Siluriformes	Callichthyidae	Corydoras ourastigma	native
Siluriformes	Callichthyidae	Corydoras paleatus	native	Peppered corydoras
Siluriformes	Callichthyidae	Corydoras parallelus	native
Siluriformes	Callichthyidae	Corydoras pinheiroi	native
Siluriformes	Callichthyidae	Corydoras polystictus	native
Siluriformes	Callichthyidae	Corydoras pulcher	native	Pretty corydoras
Siluriformes	Callichthyidae	Corydoras pygmaeus	native	Pygmy corydoras
Siluriformes	Callichthyidae	Corydoras rabauti	native	Rust corydoras
Siluriformes	Callichthyidae	Corydoras reticulatus	native	Reticulated corydoras
Siluriformes	Callichthyidae	Corydoras robineae	native	Bannertail catfish
Siluriformes	Callichthyidae	Corydoras robustus	native
Siluriformes	Callichthyidae	Corydoras sarareensis	native
Siluriformes	Callichthyidae	Corydoras schwartzi	native	Schwartz's catfish
Siluriformes	Callichthyidae	Corydoras semiaquilus	native
Siluriformes	Callichthyidae	Corydoras serratus	native
Siluriformes	Callichthyidae	Corydoras seussi	native
Siluriformes	Callichthyidae	Corydoras similis	native
Siluriformes	Callichthyidae	Corydoras sodalis	native	False network catfish
Siluriformes	Callichthyidae	Corydoras solox	native
Siluriformes	Callichthyidae	Corydoras spectabilis	native
Siluriformes	Callichthyidae	Corydoras steindachneri	native	Paraná corydoras
Siluriformes	Callichthyidae	Corydoras sterbai	native
Siluriformes	Callichthyidae	Corydoras treitlii	native	Longsnout corydoras
Siluriformes	Callichthyidae	Corydoras trilineatus	native	Threestripe corydoras
Siluriformes	Callichthyidae	Corydoras tukano	native
Siluriformes	Callichthyidae	Corydoras undulatus	native
Siluriformes	Callichthyidae	Corydoras vittatus	native
Siluriformes	Callichthyidae	Corydoras xinguensis	native	Xingu corydoras
Characiformes	Characidae	Creagrutus anary	native
Characiformes	Characidae	Creagrutus atrisignum	native
Characiformes	Characidae	Creagrutus barrigai	native
Characiformes	Characidae	Creagrutus britskii	native
Characiformes	Characidae	Creagrutus cochui	native
Characiformes	Characidae	Creagrutus cracentis	native
Characiformes	Characidae	Creagrutus figueiredoi	native
Characiformes	Characidae	Creagrutus ignotus	native
Characiformes	Characidae	Creagrutus maxillaris	native
Characiformes	Characidae	Creagrutus menezesi	native
Characiformes	Characidae	Creagrutus meridionalis	native
Characiformes	Characidae	Creagrutus molinus	native
Characiformes	Characidae	Creagrutus mucipu	native
Characiformes	Characidae	Creagrutus occidaneus	native
Characiformes	Characidae	Creagrutus petilus	native
Characiformes	Characidae	Creagrutus phasma	native
Characiformes	Characidae	Creagrutus runa	native
Characiformes	Characidae	Creagrutus saxatilis	native
Characiformes	Characidae	Creagrutus seductus	native
Characiformes	Characidae	Creagrutus tuyuka	native
Characiformes	Characidae	Creagrutus varii	native
Characiformes	Characidae	Creagrutus vexillapinnus	native
Characiformes	Characidae	Creagrutus zephyrus	native
Perciformes	Cichlidae	Crenicara latruncularium	native
Perciformes	Cichlidae	Crenicara punctulatum	native	Checkerboard cichlid
Perciformes	Cichlidae	Crenicichla acutirostris	native
Perciformes	Cichlidae	Crenicichla adspersa	native
Perciformes	Cichlidae	Crenicichla alta	native	Millet
Perciformes	Cichlidae	Crenicichla brasiliensis	native
Perciformes	Cichlidae	Crenicichla britskii	native
Perciformes	Cichlidae	Crenicichla cametana	native
Perciformes	Cichlidae	Crenicichla celidochilus	native
Perciformes	Cichlidae	Crenicichla cincta	native
Perciformes	Cichlidae	Crenicichla compressiceps	native
Perciformes	Cichlidae	Crenicichla cyanonotus	native
Perciformes	Cichlidae	Crenicichla cyclostoma	native
Perciformes	Cichlidae	Crenicichla empheres	native
Perciformes	Cichlidae	Crenicichla gaucho	native
Perciformes	Cichlidae	Crenicichla geayi	misidentification	Halfbanded pike cichlid
Perciformes	Cichlidae	Crenicichla hadrostigma	native
Perciformes	Cichlidae	Crenicichla haroldoi	native
Perciformes	Cichlidae	Crenicichla heckeli	native
Perciformes	Cichlidae	Crenicichla hemera	native
Perciformes	Cichlidae	Crenicichla hummelincki	native
Perciformes	Cichlidae	Crenicichla igara	native
Perciformes	Cichlidae	Crenicichla iguapina	native
Perciformes	Cichlidae	Crenicichla iguassuensis	native
Perciformes	Cichlidae	Crenicichla inpa	native
Perciformes	Cichlidae	Crenicichla isbrueckeri	native
Perciformes	Cichlidae	Crenicichla jaguarensis	native
Perciformes	Cichlidae	Crenicichla jegui	native
Perciformes	Cichlidae	Crenicichla johanna	native		Jacundà
Perciformes	Cichlidae	Crenicichla jupiaensis	native
Perciformes	Cichlidae	Crenicichla jurubi	native
Perciformes	Cichlidae	Crenicichla labrina	native
Perciformes	Cichlidae	Crenicichla lacustris	native
Perciformes	Cichlidae	Crenicichla lenticulata	native
Perciformes	Cichlidae	Crenicichla lepidota	native	Pike cichlid	Guensa-verde
Perciformes	Cichlidae	Crenicichla lucius	native
Perciformes	Cichlidae	Crenicichla lugubris	native
Perciformes	Cichlidae	Crenicichla macrophthalma	native		Jacunda
Perciformes	Cichlidae	Crenicichla maculata	native
Perciformes	Cichlidae	Crenicichla marmorata	native
Perciformes	Cichlidae	Crenicichla menezesi	native
Perciformes	Cichlidae	Crenicichla minuano	native
Perciformes	Cichlidae	Crenicichla missioneira	native
Perciformes	Cichlidae	Crenicichla mucuryna	native
Perciformes	Cichlidae	Crenicichla niederleinii	native
Perciformes	Cichlidae	Crenicichla notophthalmus	native
Perciformes	Cichlidae	Crenicichla pellegrini	native
Perciformes	Cichlidae	Crenicichla percna	native
Perciformes	Cichlidae	Crenicichla phaiospilus	native
Perciformes	Cichlidae	Crenicichla prenda	native
Perciformes	Cichlidae	Crenicichla proteus	native
Perciformes	Cichlidae	Crenicichla punctata	native
Perciformes	Cichlidae	Crenicichla pydanielae	native
Perciformes	Cichlidae	Crenicichla regani	native
Perciformes	Cichlidae	Crenicichla reticulata	native		Peixe sabão
Perciformes	Cichlidae	Crenicichla rosemariae	endemic		Rubanana
Perciformes	Cichlidae	Crenicichla santosi	native
Perciformes	Cichlidae	Crenicichla saxatilis	misidentification	Ringtail pike cichlid	Jacundà
Perciformes	Cichlidae	Crenicichla scottii	native
Perciformes	Cichlidae	Crenicichla semifasciata	native
Perciformes	Cichlidae	Crenicichla stocki	native
Perciformes	Cichlidae	Crenicichla strigata	native
Perciformes	Cichlidae	Crenicichla tendybaguassu	native
Perciformes	Cichlidae	Crenicichla tigrina	native
Perciformes	Cichlidae	Crenicichla tingui	native
Perciformes	Cichlidae	Crenicichla urosema	native
Perciformes	Cichlidae	Crenicichla virgatula	native
Perciformes	Cichlidae	Crenicichla vittata	native
Characiformes	Crenuchidae	Crenuchus spilurus	native	Sailfin tetra
Siluriformes	Loricariidae	Cteniloricaria fowleri	native		Acari
Characiformes	Characidae	Ctenobrycon alleni	native		Lambari
Characiformes	Characidae	Ctenobrycon hauxwellianus	native		Lambari
Characiformes	Characidae	Ctenobrycon multiradiatus	native
Perciformes	Gobiidae	Ctenogobius shufeldti	native	American freshwater goby
Cypriniformes	Cyprinidae	Ctenopharyngodon idella	introduced	Grass carp
Characiformes	Curimatidae	Curimata acutirostris	endemic
Characiformes	Curimatidae	Curimata aspera	native
Characiformes	Curimatidae	Curimata cisandina	native
Characiformes	Curimatidae	Curimata cyprinoides	native		Branquinha
Characiformes	Curimatidae	Curimata inornata	endemic		Branquinha
Characiformes	Curimatidae	Curimata knerii	native
Characiformes	Curimatidae	Curimata macrops	endemic
Characiformes	Curimatidae	Curimata ocellata	native
Characiformes	Curimatidae	Curimata roseni	native
Characiformes	Curimatidae	Curimata vittata	native
Characiformes	Curimatidae	Curimatella alburna	native
Characiformes	Curimatidae	Curimatella dorsalis	native
Characiformes	Curimatidae	Curimatella immaculata	native
Characiformes	Curimatidae	Curimatella lepidura	endemic		Manjuba
Characiformes	Curimatidae	Curimatella meyeri	native
Characiformes	Curimatidae	Curimatopsis crypticus	native
Characiformes	Curimatidae	Curimatopsis evelynae	native	Spottail curimata
Characiformes	Curimatidae	Curimatopsis macrolepis	native	Shinyscaled curimata
Characiformes	Curimatidae	Curimatopsis microlepis	native
Characiformes	Curimatidae	Curimatopsis myersi	native
Characiformes	Characidae	Cyanocharax alegretensis	native
Characiformes	Characidae	Cyanocharax dicropotamicus	native
Characiformes	Characidae	Cyanocharax itaimbe	native
Characiformes	Characidae	Cyanocharax lepiclastus	native
Characiformes	Characidae	Cyanocharax tipiaia	native
Characiformes	Characidae	Cyanocharax uruguayensis	native
Characiformes	Cynodontidae	Cynodon gibbus	native		Icanga
Characiformes	Cynodontidae	Cynodon septenarius	native
Cyprinodontiformes	Rivulidae	Cynolebias albipunctatus	endemic
Cyprinodontiformes	Rivulidae	Cynolebias altus	endemic
Cyprinodontiformes	Rivulidae	Cynolebias attenuatus	endemic
Cyprinodontiformes	Rivulidae	Cynolebias gibbus	endemic
Cyprinodontiformes	Rivulidae	Cynolebias gilbertoi	endemic
Cyprinodontiformes	Rivulidae	Cynolebias griseus	endemic
Cyprinodontiformes	Rivulidae	Cynolebias itapicuruensis	endemic		Peixe-sabão
Cyprinodontiformes	Rivulidae	Cynolebias leptocephalus	endemic
Cyprinodontiformes	Rivulidae	Cynolebias microphthalmus	endemic		Peixe-de-nuvem
Cyprinodontiformes	Rivulidae	Cynolebias paraguassuensis	native
Cyprinodontiformes	Rivulidae	Cynolebias perforatus	endemic
Cyprinodontiformes	Rivulidae	Cynolebias porosus	native
Cyprinodontiformes	Rivulidae	Cynolebias vazabarrisensis	endemic		Peixe-sabão
Cyprinodontiformes	Rivulidae	Cynopoecilus fulgens	native
Cyprinodontiformes	Rivulidae	Cynopoecilus intimus	native
Cyprinodontiformes	Rivulidae	Cynopoecilus melanotaenia	native
Cyprinodontiformes	Rivulidae	Cynopoecilus multipapillatus	native
Cyprinodontiformes	Rivulidae	Cynopoecilus nigrovittatus	native
Characiformes	Characidae	Cynopotamus amazonus	native		Cacunda
Characiformes	Characidae	Cynopotamus argenteus	native		Saicanga
Characiformes	Characidae	Cynopotamus essequibensis	native		Cacunda
Characiformes	Characidae	Cynopotamus gouldingi	native
Characiformes	Characidae	Cynopotamus juruenae	native
Characiformes	Characidae	Cynopotamus kincaidi	native		Saicanga
Characiformes	Characidae	Cynopotamus tocantinensis	native		Cacunda
Characiformes	Characidae	Cynopotamus xinguano	native
Perciformes	Sciaenidae	Cynoscion acoupa	native	Acoupa weakfish	Tacupapirerna
Perciformes	Sciaenidae	Cynoscion steindachneri	native	Smalltooth weakfish	Pescada-verdadeira
Characiformes	Curimatidae	Cyphocharax abramoides	native		Branquinha
Characiformes	Curimatidae	Cyphocharax festivus	native
Characiformes	Curimatidae	Cyphocharax gangamon	native
Characiformes	Curimatidae	Cyphocharax gilbert	native
Characiformes	Curimatidae	Cyphocharax gillii	native
Characiformes	Curimatidae	Cyphocharax gouldingi	native
Characiformes	Curimatidae	Cyphocharax helleri	native		Branquinha
Characiformes	Curimatidae	Cyphocharax leucostictus	native
Characiformes	Curimatidae	Cyphocharax mestomyllon	native
Characiformes	Curimatidae	Cyphocharax modestus	native		Saguiru
Characiformes	Curimatidae	Cyphocharax multilineatus	native
Characiformes	Curimatidae	Cyphocharax nagelii	native
Characiformes	Curimatidae	Cyphocharax nigripinnis	native
Characiformes	Curimatidae	Cyphocharax notatus	native
Characiformes	Curimatidae	Cyphocharax platanus	native		Birú
Characiformes	Curimatidae	Cyphocharax plumbeus	native		Sabaru
Characiformes	Curimatidae	Cyphocharax saladensis	native	Rosy curimata	Birú
Characiformes	Curimatidae	Cyphocharax santacatarinae	native		Saguairú
Characiformes	Curimatidae	Cyphocharax signatus	native
Characiformes	Curimatidae	Cyphocharax spilotus	native
Characiformes	Curimatidae	Cyphocharax spiluropsis	native
Characiformes	Curimatidae	Cyphocharax spilurus	native		Branquinha
Characiformes	Curimatidae	Cyphocharax stilbolepis	native
Characiformes	Curimatidae	Cyphocharax vanderi	native
Characiformes	Curimatidae	Cyphocharax vexillapinnus	native
Characiformes	Curimatidae	Cyphocharax voga	native
Cypriniformes	Cyprinidae	Cyprinus carpio carpio	introduced	Common carp	Carpa
Siluriformes	Loricariidae	Dekeyseria amazonica	native
Siluriformes	Loricariidae	Dekeyseria brachyura	endemic
Siluriformes	Loricariidae	Dekeyseria picta	endemic
Siluriformes	Loricariidae	Dekeyseria pulchra	native		Brazil-butterfly
Siluriformes	Loricariidae	Dekeyseria scaphirhyncha	endemic
Siluriformes	Loricariidae	Delturus angulicauda	native
Siluriformes	Loricariidae	Delturus brevis	native
Siluriformes	Loricariidae	Delturus carinotus	native
Siluriformes	Loricariidae	Delturus parahybae	native
Siluriformes	Cetopsidae	Denticetopsis epa	native
Siluriformes	Cetopsidae	Denticetopsis seducta	native
Characiformes	Characidae	Deuterodon iguape	native		Lambari
Characiformes	Characidae	Deuterodon langei	native		Lambari
Characiformes	Characidae	Deuterodon longirostris	native
Characiformes	Characidae	Deuterodon parahybae	native
Characiformes	Characidae	Deuterodon rosae	native		Lambari
Characiformes	Characidae	Deuterodon singularis	native		Lambari
Characiformes	Characidae	Deuterodon stigmaturus	native		Lambari
Characiformes	Characidae	Deuterodon supparis	native		Lambari
Siluriformes	Callichthyidae	Dianema longibarbis	native	Porthole catfish
Siluriformes	Callichthyidae	Dianema urostriatum	native	Flagtail catfish
Characiformes	Characidae	Diapoma speculiferum	native		Lambari
Characiformes	Characidae	Diapoma terofali	native		Lambari
Perciformes	Cichlidae	Dicrossus filamentosus	native	Chessboard cichlid
Perciformes	Cichlidae	Dicrossus maculatus	native
Gymnotiformes	Sternopygidae	Distocyclus conirostris	native
Siluriformes	Doradidae	Doras carinatus	native		Botinho
Siluriformes	Doradidae	Doras eigenmanni	native
Siluriformes	Doradidae	Doras fimbriatus	native
Siluriformes	Doradidae	Doras punctatus	native
Siluriformes	Doradidae	Doras zuanoni	native
Perciformes	Eleotridae	Dormitator maculatus	native	Fat sleeper	Barrigudo
Siluriformes	Pimelodidae	Duopalatinus emarginatus	native
Siluriformes	Pimelodidae	Duopalatinus peruanus	native
Gymnotiformes	Sternopygidae	Eigenmannia humboldtii	native
Gymnotiformes	Sternopygidae	Eigenmannia limbata	native
Gymnotiformes	Sternopygidae	Eigenmannia macrops	native
Gymnotiformes	Sternopygidae	Eigenmannia microstoma	native
Gymnotiformes	Sternopygidae	Eigenmannia nigra	native
Gymnotiformes	Sternopygidae	Eigenmannia trilineata	native
Gymnotiformes	Sternopygidae	Eigenmannia vicentespelaea	native
Gymnotiformes	Sternopygidae	Eigenmannia virescens	native	Glass knifefish	Tuvira
Characiformes	Crenuchidae	Elachocharax geryi	native
Characiformes	Crenuchidae	Elachocharax junki	native
Characiformes	Crenuchidae	Elachocharax mitopterus	native
Characiformes	Crenuchidae	Elachocharax pulcher	native
Gymnotiformes	Gymnotidae	Electrophorus electricus	native	Electric eel	Poraquê
Perciformes	Eleotridae	Eleotris pisonis	native	Spinycheek sleeper	Peixe-macaco
Characiformes	Characidae	Engraulisoma taeniatum	native
Siluriformes	Auchenipteridae	Entomocorus benjamini	native
Siluriformes	Auchenipteridae	Entomocorus melaphareus	native
Siluriformes	Loricariidae	Epactionotus bilineatus	native
Siluriformes	Loricariidae	Epactionotus gracilis	native
Siluriformes	Loricariidae	Epactionotus itaimbezinho	native
Characiformes	Erythrinidae	Erythrinus erythrinus	native		Jeju
Characiformes	Erythrinidae	Erythrinus kessleri	native
Perciformes	Gerreidae	Eucinostomus argenteus	native	Silver mojarra	Carapicu-pena
Perciformes	Gerreidae	Eugerres plumieri	native	Striped mojarra	Carapeba-listrada
Siluriformes	Loricariidae	Eurycheilichthys limulus	native
Siluriformes	Loricariidae	Eurycheilichthys pantherinus	native
Siluriformes	Pimelodidae	Exallodontus aguanai	native
Siluriformes	Loricariidae	Exastilithoxus hoedemani	native
Characiformes	Characidae	Exodon paradoxus	native	Bucktooth tetra	Miguelinho
Siluriformes	Loricariidae	Farlowella amazonum	native
Siluriformes	Loricariidae	Farlowella hasemani	native
Siluriformes	Loricariidae	Farlowella henriquei	native
Siluriformes	Loricariidae	Farlowella isbruckeri	native
Siluriformes	Loricariidae	Farlowella jauruensis	native
Siluriformes	Loricariidae	Farlowella nattereri	native
Siluriformes	Loricariidae	Farlowella oxyrryncha	native
Siluriformes	Loricariidae	Farlowella paraguayensis	native
Siluriformes	Loricariidae	Farlowella platorynchus	native
Siluriformes	Loricariidae	Farlowella schreitmuelleri	native
Siluriformes	Loricariidae	Farlowella smithi	native
Cyprinodontiformes	Poeciliidae	Fluviphylax obscurus	native
Cyprinodontiformes	Poeciliidae	Fluviphylax palikur	native
Cyprinodontiformes	Poeciliidae	Fluviphylax pygmaeus	native
Cyprinodontiformes	Poeciliidae	Fluviphylax simplex	native
Cyprinodontiformes	Poeciliidae	Fluviphylax zonatus	native
Siluriformes	Doradidae	Franciscodoras marmoratus	native		Caborje
Siluriformes	Loricariidae	Furcodontichthys novaesi	native
Characiformes	Characidae	Galeocharax gulo	native		Cacunda
Characiformes	Characidae	Galeocharax humeralis	native		Saicanga
Characiformes	Characidae	Galeocharax knerii	native		Peixe-cigarra
Characiformes	Gasteropelecidae	Gasteropelecus levis	native	Silver hatchetfish
Siluriformes	Auchenipteridae	Gelanoglanis nanonocticolus	native
Siluriformes	Ariidae	Genidens machadoi	native		Bagre do Corso
Siluriformes	Ariidae	Genidens planifrons	native		Bagre
Perciformes	Cichlidae	Geophagus altifrons	native
Perciformes	Cichlidae	Geophagus argyrostictus	native
Perciformes	Cichlidae	Geophagus brasiliensis	native	Pearl cichlid	Acará-topete
Perciformes	Cichlidae	Geophagus camopiensis	native	Oyapock eartheater	Acara tinga
Perciformes	Cichlidae	Geophagus iporangensis	native
Perciformes	Cichlidae	Geophagus itapicuruensis	native
Perciformes	Cichlidae	Geophagus megasema	native
Perciformes	Cichlidae	Geophagus obscurus	native
Perciformes	Cichlidae	Geophagus parnaibae	native
Perciformes	Cichlidae	Geophagus proximus	native		Acará roi roi
Perciformes	Cichlidae	Geophagus surinamensis	misidentification	Redstriped eartheater	Acará tinga
Perciformes	Gerreidae	Gerres cinereus	native	Yellow fin mojarra	Carapicu-açú
Siluriformes	Heptapteridae	Gladioglanis anacanthus	native
Siluriformes	Heptapteridae	Gladioglanis conquistador	native
Siluriformes	Heptapteridae	Gladioglanis machadoi	native
Siluriformes	Trichomycteridae	Glanapteryx anguilla	native
Siluriformes	Trichomycteridae	Glanapteryx niobium	native
Characiformes	Characidae	Glandulocauda melanogenys	native
Characiformes	Characidae	Glandulocauda melanopleura	native
Siluriformes	Auchenipteridae	Glanidium albescens	native
Siluriformes	Auchenipteridae	Glanidium bockmanni	native
Siluriformes	Auchenipteridae	Glanidium catharinensis	native
Siluriformes	Auchenipteridae	Glanidium cesarpintoi	native
Siluriformes	Auchenipteridae	Glanidium melanopterum	native
Siluriformes	Auchenipteridae	Glanidium ribeiroi	native
Siluriformes	Trichomycteridae	Glaphyropoma rodriguesi	native
Siluriformes	Trichomycteridae	Glaphyropoma spinosum	native
Siluriformes	Loricariidae	Glyptoperichthys xinguensis	native
Characiformes	Characidae	Gnathocharax steindachneri	native
Perciformes	Eleotridae	Gobiomorus dormitor	native	Bigmouth sleeper
Perciformes	Gobiidae	Gobionellus oceanicus	native	Highfin goby	Amborê
Perciformes	Gobiidae	Gobionellus thoropsis	native	Sperm goby
Siluriformes	Heptapteridae	Goeldiella eques	native
Perciformes	Cichlidae	Guianacara geayi	native		Carà
Characiformes	Characidae	Gymnocorymbus ternetzi	native	Black tetra	Tetra preto
Characiformes	Characidae	Gymnocorymbus thayeri	native	False black tetra	Lambari
Perciformes	Cichlidae	Gymnogeophagus balzanii	native	Argentine humphead
Perciformes	Cichlidae	Gymnogeophagus gymnogenys	native	Smooth-cheek eartheater
Perciformes	Cichlidae	Gymnogeophagus labiatus	native	Earth eater
Perciformes	Cichlidae	Gymnogeophagus lacustris	native
Perciformes	Cichlidae	Gymnogeophagus meridionalis	native
Perciformes	Cichlidae	Gymnogeophagus rhabdotus	native	Stripefin eartheater
Perciformes	Cichlidae	Gymnogeophagus setequedas	native
Gymnotiformes	Rhamphichthyidae	Gymnorhamphichthys hypostomus	native
Gymnotiformes	Rhamphichthyidae	Gymnorhamphichthys petiti	native
Gymnotiformes	Rhamphichthyidae	Gymnorhamphichthys rondoni	native
Gymnotiformes	Rhamphichthyidae	Gymnorhamphichthys rosamariae	native
Siluriformes	Loricariidae	Gymnotocinclus anosteos	native
Gymnotiformes	Gymnotidae	Gymnotus arapaima	native
Gymnotiformes	Gymnotidae	Gymnotus bahianus	native
Gymnotiformes	Gymnotidae	Gymnotus carapo	native	Banded knifefish	Tuvira
Gymnotiformes	Gymnotidae	Gymnotus cataniapo	native
Gymnotiformes	Gymnotidae	Gymnotus chimarrao	native
Gymnotiformes	Gymnotidae	Gymnotus coatesi	native
Gymnotiformes	Gymnotidae	Gymnotus coropinae	native
Gymnotiformes	Gymnotidae	Gymnotus curupira	native
Gymnotiformes	Gymnotidae	Gymnotus diamantinensis	native
Gymnotiformes	Gymnotidae	Gymnotus inaequilabiatus	native
Gymnotiformes	Gymnotidae	Gymnotus javari	native		Sarapó
Gymnotiformes	Gymnotidae	Gymnotus jonasi	native
Gymnotiformes	Gymnotidae	Gymnotus mamiraua	native
Gymnotiformes	Gymnotidae	Gymnotus melanopleura	native
Gymnotiformes	Gymnotidae	Gymnotus obscurus	native
Gymnotiformes	Gymnotidae	Gymnotus onca	native
Gymnotiformes	Gymnotidae	Gymnotus pantanal	native
Gymnotiformes	Gymnotidae	Gymnotus pantherinus	native
Gymnotiformes	Gymnotidae	Gymnotus paraguensis	native		Tuvira
Gymnotiformes	Gymnotidae	Gymnotus pedanopterus	native
Gymnotiformes	Gymnotidae	Gymnotus sylvius	native
Gymnotiformes	Gymnotidae	Gymnotus tigre	native
Gymnotiformes	Gymnotidae	Gymnotus varzea	native
Siluriformes	Trichomycteridae	Haemomaster venezuelae	native
Siluriformes	Loricariidae	Harttia carvalhoi	native
Siluriformes	Loricariidae	Harttia depressa	native
Siluriformes	Loricariidae	Harttia dissidens	native
Siluriformes	Loricariidae	Harttia duriventris	native
Siluriformes	Loricariidae	Harttia garavelloi	native
Siluriformes	Loricariidae	Harttia gracilis	native
Siluriformes	Loricariidae	Harttia guianensis	native
Siluriformes	Loricariidae	Harttia kronei	native		Krone's flat suckermouth catfish
Siluriformes	Loricariidae	Harttia leiopleura	native
Siluriformes	Loricariidae	Harttia longipinna	native
Siluriformes	Loricariidae	Harttia loricariformis	native
Siluriformes	Loricariidae	Harttia novalimensis	native
Siluriformes	Loricariidae	Harttia punctata	native
Siluriformes	Loricariidae	Harttia rhombocephala	native
Siluriformes	Loricariidae	Harttia torrenticola	native
Siluriformes	Loricariidae	Harttia trombetensis	native
Siluriformes	Loricariidae	Harttia uatumensis	native
Characiformes	Characidae	Hasemania crenuchoides	native
Characiformes	Characidae	Hasemania hanseni	native
Characiformes	Characidae	Hasemania maxillaris	native
Characiformes	Characidae	Hasemania melanura	native	Copper tetra
Characiformes	Characidae	Hasemania nambiquara	native
Characiformes	Characidae	Hasemania nana	native	Silvertip tetra
Siluriformes	Doradidae	Hassar affinis	native		Mandí pirá
Siluriformes	Doradidae	Hassar orestis	native		Botinho
Siluriformes	Doradidae	Hassar wilderi	native		Botinho
Siluriformes	Cetopsidae	Helogenes gouldingi	endemic
Siluriformes	Cetopsidae	Helogenes marmoratus	native
Siluriformes	Loricariidae	Hemiancistrus cerrado	native
Siluriformes	Loricariidae	Hemiancistrus chlorostictus	native		Cascudo
Siluriformes	Loricariidae	Hemiancistrus fuliginosus	native		Cascudo
Siluriformes	Loricariidae	Hemiancistrus megalopteryx	native
Siluriformes	Loricariidae	Hemiancistrus meizospilos	native
Siluriformes	Loricariidae	Hemiancistrus micrommatos	native
Siluriformes	Loricariidae	Hemiancistrus punctulatus	native		Cascudo
Siluriformes	Loricariidae	Hemiancistrus spilomma	native
Siluriformes	Loricariidae	Hemiancistrus spinosissimus	native
Siluriformes	Loricariidae	Hemiancistrus votouro	native
Siluriformes	Doradidae	Hemidoras morrisi	native
Siluriformes	Doradidae	Hemidoras stenopeltis	native
Characiformes	Characidae	Hemigrammus analis	native
Characiformes	Characidae	Hemigrammus bellottii	native
Characiformes	Characidae	Hemigrammus bleheri	native	Firehead tetra
Characiformes	Characidae	Hemigrammus brevis	native
Characiformes	Characidae	Hemigrammus coeruleus	native
Characiformes	Characidae	Hemigrammus cupreus	native
Characiformes	Characidae	Hemigrammus elegans	native
Characiformes	Characidae	Hemigrammus geisleri	native
Characiformes	Characidae	Hemigrammus gracilis	native
Characiformes	Characidae	Hemigrammus haraldi	native
Characiformes	Characidae	Hemigrammus hyanuary	native	January tetra
Characiformes	Characidae	Hemigrammus levis	native
Characiformes	Characidae	Hemigrammus lunatus	native
Characiformes	Characidae	Hemigrammus marginatus	native
Characiformes	Characidae	Hemigrammus maxillaris	native
Characiformes	Characidae	Hemigrammus melanochrous	native
Characiformes	Characidae	Hemigrammus microstomus	native
Characiformes	Characidae	Hemigrammus mimus	native
Characiformes	Characidae	Hemigrammus ocellifer	native	Head-and-taillight tetra
Characiformes	Characidae	Hemigrammus orthus	native
Characiformes	Characidae	Hemigrammus parana	native
Characiformes	Characidae	Hemigrammus pretoensis	native
Characiformes	Characidae	Hemigrammus rhodostomus	native	Rummy-nose tetra
Characiformes	Characidae	Hemigrammus rodwayi	native
Characiformes	Characidae	Hemigrammus schmardae	native
Characiformes	Characidae	Hemigrammus silimoni	native
Characiformes	Characidae	Hemigrammus skolioplatus	native
Characiformes	Characidae	Hemigrammus stictus	native
Characiformes	Characidae	Hemigrammus ulreyi	native
Characiformes	Characidae	Hemigrammus unilineatus	native	Featherfin tetra
Characiformes	Characidae	Hemigrammus vorderwinkleri	native
Siluriformes	Loricariidae	Hemiodontichthys acipenserinus	native
Characiformes	Hemiodontidae	Hemiodus argenteus	native		Jatuarana
Characiformes	Hemiodontidae	Hemiodus atranalis	native		Cruzeiro-do-sul
Characiformes	Hemiodontidae	Hemiodus goeldii	native
Characiformes	Hemiodontidae	Hemiodus gracilis	native		Cruzeiro-do-sul
Characiformes	Hemiodontidae	Hemiodus immaculatus	native		Jatuarana
Characiformes	Hemiodontidae	Hemiodus jatuarana	native
Characiformes	Hemiodontidae	Hemiodus microlepis	native		Jatuarana
Characiformes	Hemiodontidae	Hemiodus orthonops	native		Bananinha
Characiformes	Hemiodontidae	Hemiodus parnaguae	native		Avoador
Characiformes	Hemiodontidae	Hemiodus quadrimaculatus	native	Barred hemiodus
Characiformes	Hemiodontidae	Hemiodus semitaeniatus	native	Halfline hemiodus	Bananinha
Characiformes	Hemiodontidae	Hemiodus sterni	native
Characiformes	Hemiodontidae	Hemiodus ternetzi	native
Characiformes	Hemiodontidae	Hemiodus thayeria	native
Characiformes	Hemiodontidae	Hemiodus tocantinensis	native
Characiformes	Hemiodontidae	Hemiodus unimaculatus	native		Jatuarana
Characiformes	Hemiodontidae	Hemiodus vorderwinkleri	native
Siluriformes	Loricariidae	Hemipsilichthys gobio	native
Siluriformes	Loricariidae	Hemipsilichthys nimius	native
Siluriformes	Loricariidae	Hemipsilichthys papillatus	native
Siluriformes	Pimelodidae	Hemisorubim platyrhynchos	native	Porthole shovelnose catfish	Bico de pato
Characiformes	Characidae	Henochilus wheatlandii	native		Andirá
Siluriformes	Trichomycteridae	Henonemus intermedius	native
Siluriformes	Trichomycteridae	Henonemus macrops	native
Siluriformes	Trichomycteridae	Henonemus punctatus	native
Siluriformes	Heptapteridae	Heptapterus bleekeri	native
Siluriformes	Heptapteridae	Heptapterus fissipinnis	endemic
Siluriformes	Heptapteridae	Heptapterus multiradiatus	endemic
Siluriformes	Heptapteridae	Heptapterus mustelinus	native		Bagre
Siluriformes	Heptapteridae	Heptapterus ornaticeps	native
Siluriformes	Heptapteridae	Heptapterus stewarti	endemic		Bagre da pedra
Siluriformes	Heptapteridae	Heptapterus sympterygium	endemic
Perciformes	Cichlidae	Heros efasciatus	native		Acará-peba
Perciformes	Cichlidae	Heros notatus	native
Perciformes	Cichlidae	Heros severus	native	Banded cichlid	Acará-peba
Perciformes	Cichlidae	Heros spurius	native
Characiformes	Characidae	Heterocharax leptogrammus	native
Characiformes	Characidae	Heterocharax macrolepis	native
Characiformes	Characidae	Heterocharax virgulatus	native
Characiformes	Characidae	Heterocheirodon jacuiensis	native		Lambari
Characiformes	Characidae	Heterocheirodon yatai	native		Lambari
Siluriformes	Loricariidae	Hisonotus armatus	native
Siluriformes	Loricariidae	Hisonotus chromodontus	native
Siluriformes	Loricariidae	Hisonotus depressicauda	native
Siluriformes	Loricariidae	Hisonotus depressinotus	native
Siluriformes	Loricariidae	Hisonotus francirochai	native
Siluriformes	Loricariidae	Hisonotus insperatus	native
Siluriformes	Loricariidae	Hisonotus laevior	native
Siluriformes	Loricariidae	Hisonotus leptochilus	native
Siluriformes	Loricariidae	Hisonotus leucofrenatus	native
Siluriformes	Loricariidae	Hisonotus luteofrenatus	native
Siluriformes	Loricariidae	Hisonotus nigricauda	native
Siluriformes	Loricariidae	Hisonotus notatus	native
Siluriformes	Loricariidae	Hisonotus paulinus	native
Siluriformes	Loricariidae	Hisonotus taimensis	native
Characiformes	Characidae	Hollandichthys multifasciatus	native		Lambari-listrado
Siluriformes	Trichomycteridae	Homodiaetus anisitsi	native
Siluriformes	Trichomycteridae	Homodiaetus banguela	native
Siluriformes	Trichomycteridae	Homodiaetus graciosa	native
Siluriformes	Trichomycteridae	Homodiaetus passarellii	native
Perciformes	Cichlidae	Hoplarchus psittacus	native		Acará paragaio
Siluriformes	Loricariidae	Hopliancistrus tricornis	endemic
Characiformes	Erythrinidae	Hoplias aimara	native		Traira
Characiformes	Erythrinidae	Hoplias brasiliensis	native		Traíra
Characiformes	Erythrinidae	Hoplias lacerdae	native		Tariputanga
Characiformes	Erythrinidae	Hoplias macrophthalmus	native	Giant trahira	Aimara
Characiformes	Erythrinidae	Hoplias malabaricus	native	Trahira	Dorme-dorme
Characiformes	Erythrinidae	Hoplias microcephalus	native		Traíra
Characiformes	Characidae	Hoplocharax goethei	native
Siluriformes	Callichthyidae	Hoplosternum littorale	native	Hassar	Tamoatá
Siluriformes	Heptapteridae	Horiomyzon retropinnatus	native
Characiformes	Cynodontidae	Hydrolycus armatus	native		Pirantera
Characiformes	Cynodontidae	Hydrolycus scomberoides	misidentification	Payara	Cachorra
Characiformes	Cynodontidae	Hydrolycus tatauaia	native		Pirandirá
Characiformes	Cynodontidae	Hydrolycus wallacei	native
Siluriformes	Loricariidae	Hypancistrus zebra	endemic		Zebra pleco
Characiformes	Characidae	Hyphessobrycon agulha	native
Characiformes	Characidae	Hyphessobrycon amandae	native	Ember tetra
Characiformes	Characidae	Hyphessobrycon amapaensis	endemic
Characiformes	Characidae	Hyphessobrycon anisitsi	native	Buenos Aires tetra
Characiformes	Characidae	Hyphessobrycon balbus	native
Characiformes	Characidae	Hyphessobrycon bentosi	native	Ornate tetra
Characiformes	Characidae	Hyphessobrycon bifasciatus	native	Yellow tetra
Characiformes	Characidae	Hyphessobrycon boulengeri	native
Characiformes	Characidae	Hyphessobrycon cachimbensis	native
Characiformes	Characidae	Hyphessobrycon coelestinus	native
Characiformes	Characidae	Hyphessobrycon copelandi	native
Characiformes	Characidae	Hyphessobrycon cyanotaenia	native
Characiformes	Characidae	Hyphessobrycon diancistrus	native
Characiformes	Characidae	Hyphessobrycon duragenys	native
Characiformes	Characidae	Hyphessobrycon eilyos	native
Characiformes	Characidae	Hyphessobrycon elachys	native
Characiformes	Characidae	Hyphessobrycon epicharis	native
Characiformes	Characidae	Hyphessobrycon eques	native	Jewel tetra	Mato grosso
Characiformes	Characidae	Hyphessobrycon erythrostigma	native	Bleeding-heart tetra
Characiformes	Characidae	Hyphessobrycon flammeus	endemic	Flame tetra	Engraçadinho
Characiformes	Characidae	Hyphessobrycon griemi	endemic	Goldspotted tetra
Characiformes	Characidae	Hyphessobrycon hamatus	native
Characiformes	Characidae	Hyphessobrycon haraldschultzi	native
Characiformes	Characidae	Hyphessobrycon hasemani	native
Characiformes	Characidae	Hyphessobrycon heliacus	native
Characiformes	Characidae	Hyphessobrycon herbertaxelrodi	endemic	Black neon tetra	Neon-negro
Characiformes	Characidae	Hyphessobrycon heteresthes	native
Characiformes	Characidae	Hyphessobrycon heterorhabdus	native	Flag tetra
Characiformes	Characidae	Hyphessobrycon hexastichos	native
Characiformes	Characidae	Hyphessobrycon iheringi	native
Characiformes	Characidae	Hyphessobrycon inconstans	native
Characiformes	Characidae	Hyphessobrycon itaparicensis	native
Characiformes	Characidae	Hyphessobrycon khardinae	native
Characiformes	Characidae	Hyphessobrycon langeanii	native
Characiformes	Characidae	Hyphessobrycon latus	native
Characiformes	Characidae	Hyphessobrycon loweae	native
Characiformes	Characidae	Hyphessobrycon luetkenii	native
Characiformes	Characidae	Hyphessobrycon maculicauda	native
Characiformes	Characidae	Hyphessobrycon megalopterus	native	Black phantom tetra
Characiformes	Characidae	Hyphessobrycon melanopleurus	native
Characiformes	Characidae	Hyphessobrycon melanostichos	native
Characiformes	Characidae	Hyphessobrycon melasemeion	questionable
Characiformes	Characidae	Hyphessobrycon melazonatus	native
Characiformes	Characidae	Hyphessobrycon meridionalis	native
Characiformes	Characidae	Hyphessobrycon micropterus	native
Characiformes	Characidae	Hyphessobrycon moniliger	native
Characiformes	Characidae	Hyphessobrycon mutabilis	native
Characiformes	Characidae	Hyphessobrycon negodagua	native
Characiformes	Characidae	Hyphessobrycon notidanos	native
Characiformes	Characidae	Hyphessobrycon parvellus	native
Characiformes	Characidae	Hyphessobrycon piabinhas	native
Characiformes	Characidae	Hyphessobrycon pulchripinnis	endemic	Lemon tetra
Characiformes	Characidae	Hyphessobrycon pyrrhonotus	native
Characiformes	Characidae	Hyphessobrycon reticulatus	native
Characiformes	Characidae	Hyphessobrycon rosaceus	questionable	Rosy tetra
Characiformes	Characidae	Hyphessobrycon rutiliflavidus	native
Characiformes	Characidae	Hyphessobrycon santae	native
Characiformes	Characidae	Hyphessobrycon schauenseei	native
Characiformes	Characidae	Hyphessobrycon scholzei	endemic	Blackline tetra
Characiformes	Characidae	Hyphessobrycon scutulatus	native
Characiformes	Characidae	Hyphessobrycon socolofi	native	Spotfin tetra
Characiformes	Characidae	Hyphessobrycon stegemanni	native	Savanna tetra
Characiformes	Characidae	Hyphessobrycon stramineus	native
Characiformes	Characidae	Hyphessobrycon takasei	native	Coffee-bean tetra
Characiformes	Characidae	Hyphessobrycon taurocephalus	native
Characiformes	Characidae	Hyphessobrycon tropis	native
Characiformes	Characidae	Hyphessobrycon tukunai	native
Characiformes	Characidae	Hyphessobrycon vilmae	endemic
Characiformes	Characidae	Hyphessobrycon vinaceus	native
Characiformes	Characidae	Hyphessobrycon weitzmanorum	native
Characiformes	Characidae	Hyphessobrycon werneri	native
Characiformes	Characidae	Hypobrycon leptorhynchus	native
Characiformes	Characidae	Hypobrycon maromba	native
Cypriniformes	Cyprinidae	Hypophthalmichthys molitrix	introduced	Silver carp
Siluriformes	Pimelodidae	Hypophthalmus edentatus	native	Highwaterman catfish	Mapará
Siluriformes	Pimelodidae	Hypophthalmus fimbriatus	native		Mapará bico de pena
Siluriformes	Pimelodidae	Hypophthalmus marginatus	native		Mapará
Siluriformes	Pimelodidae	Hypophthalmus oremaculatus	native
Gymnotiformes	Hypopomidae	Hypopomus artedi	native		Tuvira
Siluriformes	Loricariidae	Hypoptopoma guentheri	native
Siluriformes	Loricariidae	Hypoptopoma inexspectatum	native
Siluriformes	Loricariidae	Hypoptopoma joberti	native
Siluriformes	Loricariidae	Hypoptopoma steindachneri	native
Siluriformes	Loricariidae	Hypoptopoma thoracatum	native
Gymnotiformes	Hypopomidae	Hypopygus lepturus	native		Itui
Siluriformes	Loricariidae	Hypostomus affinis	native
Siluriformes	Loricariidae	Hypostomus agna	native
Siluriformes	Loricariidae	Hypostomus alatus	native		Acari
Siluriformes	Loricariidae	Hypostomus albopunctatus	native		Cascudo ferro
Siluriformes	Loricariidae	Hypostomus ancistroides	native
Siluriformes	Loricariidae	Hypostomus angipinnatus	native
Siluriformes	Loricariidae	Hypostomus asperatus	native
Siluriformes	Loricariidae	Hypostomus aspilogaster	native
Siluriformes	Loricariidae	Hypostomus atropinnis	native
Siluriformes	Loricariidae	Hypostomus auroguttatus	native
Siluriformes	Loricariidae	Hypostomus boulengeri	native		Cascudo
Siluriformes	Loricariidae	Hypostomus brevicauda	native
Siluriformes	Loricariidae	Hypostomus brevis	native
Siluriformes	Loricariidae	Hypostomus carinatus	native
Siluriformes	Loricariidae	Hypostomus carvalhoi	native
Siluriformes	Loricariidae	Hypostomus chrysostiktos	native
Siluriformes	Loricariidae	Hypostomus cochliodon	native
Siluriformes	Loricariidae	Hypostomus commersoni	native		Coroncho
Siluriformes	Loricariidae	Hypostomus denticulatus	native
Siluriformes	Loricariidae	Hypostomus derbyi	native		Cascudo
Siluriformes	Loricariidae	Hypostomus eptingi	native
Siluriformes	Loricariidae	Hypostomus ericae	native
Siluriformes	Loricariidae	Hypostomus faveolus	native
Siluriformes	Loricariidae	Hypostomus fluviatilis	native		Cascudo
Siluriformes	Loricariidae	Hypostomus francisci	native
Siluriformes	Loricariidae	Hypostomus garmani	native
Siluriformes	Loricariidae	Hypostomus goyazensis	native
Siluriformes	Loricariidae	Hypostomus hemicochliodon	native
Siluriformes	Loricariidae	Hypostomus heraldoi	native
Siluriformes	Loricariidae	Hypostomus hermanni	native
Siluriformes	Loricariidae	Hypostomus hoplonites	native
Siluriformes	Loricariidae	Hypostomus iheringii	native
Siluriformes	Loricariidae	Hypostomus interruptus	native
Siluriformes	Loricariidae	Hypostomus isbrueckeri	native
Siluriformes	Loricariidae	Hypostomus itacua	questionable
Siluriformes	Loricariidae	Hypostomus jaguribensis	native
Siluriformes	Loricariidae	Hypostomus johnii	native
Siluriformes	Loricariidae	Hypostomus laplatae	native
Siluriformes	Loricariidae	Hypostomus latirostris	native
Siluriformes	Loricariidae	Hypostomus lexi	native
Siluriformes	Loricariidae	Hypostomus lima	native
Siluriformes	Loricariidae	Hypostomus longiradiatus	native
Siluriformes	Loricariidae	Hypostomus luteomaculatus	native		Cascudo amarelo
Siluriformes	Loricariidae	Hypostomus luteus	native		Cascudo-amarelo
Siluriformes	Loricariidae	Hypostomus macrops	native
Siluriformes	Loricariidae	Hypostomus margaritifer	native
Siluriformes	Loricariidae	Hypostomus meleagris	native
Siluriformes	Loricariidae	Hypostomus multidens	native
Siluriformes	Loricariidae	Hypostomus mutucae	native
Siluriformes	Loricariidae	Hypostomus myersi	native		Cascudo
Siluriformes	Loricariidae	Hypostomus niger	native
Siluriformes	Loricariidae	Hypostomus nigromaculatus	native
Siluriformes	Loricariidae	Hypostomus nudiventris	native
Siluriformes	Loricariidae	Hypostomus obtusirostris	native
Siluriformes	Loricariidae	Hypostomus pantherinus	native
Siluriformes	Loricariidae	Hypostomus papariae	native
Siluriformes	Loricariidae	Hypostomus paucipunctatus	native
Siluriformes	Loricariidae	Hypostomus paulinus	native
Siluriformes	Loricariidae	Hypostomus plecostomus	native	Suckermouth catfish	Acari
Siluriformes	Loricariidae	Hypostomus punctatus	native		Cascudo
Siluriformes	Loricariidae	Hypostomus pusarum	native
Siluriformes	Loricariidae	Hypostomus pyrineusi	native
Siluriformes	Loricariidae	Hypostomus regani	native		Cascudo-chita
Siluriformes	Loricariidae	Hypostomus rondoni	native
Siluriformes	Loricariidae	Hypostomus roseopunctatus	native
Siluriformes	Loricariidae	Hypostomus scabriceps	native
Siluriformes	Loricariidae	Hypostomus scaphyceps	native
Siluriformes	Loricariidae	Hypostomus seminudus	native
Siluriformes	Loricariidae	Hypostomus simios	native
Siluriformes	Loricariidae	Hypostomus soniae	native
Siluriformes	Loricariidae	Hypostomus strigaticeps	native
Siluriformes	Loricariidae	Hypostomus subcarinatus	native
Siluriformes	Loricariidae	Hypostomus tapijara	native
Siluriformes	Loricariidae	Hypostomus ternetzi	native
Siluriformes	Loricariidae	Hypostomus tietensis	native
Siluriformes	Loricariidae	Hypostomus topavae	native
Siluriformes	Loricariidae	Hypostomus unae	native
Siluriformes	Loricariidae	Hypostomus uruguayensis	native
Siluriformes	Loricariidae	Hypostomus vaillanti	native
Siluriformes	Loricariidae	Hypostomus variipictus	native
Siluriformes	Loricariidae	Hypostomus varimaculosus	native
Siluriformes	Loricariidae	Hypostomus variostictus	native
Siluriformes	Loricariidae	Hypostomus vermicularis	native
Siluriformes	Loricariidae	Hypostomus waiampi	native
Siluriformes	Loricariidae	Hypostomus wuchereri	native
Perciformes	Cichlidae	Hypselecara coryphaenoides	native
Perciformes	Cichlidae	Hypselecara temporalis	native	Emerald cichlid	Acará açai
Characiformes	Characidae	Hysteronotus megalostomus	native
Siluriformes	Ictaluridae	Ictalurus punctatus	introduced	Channel catfish
Characiformes	Characidae	Iguanodectes adujai	native
Characiformes	Characidae	Iguanodectes geisleri	native
Characiformes	Characidae	Iguanodectes gracilis	native
Characiformes	Characidae	Iguanodectes polylepis	native
Characiformes	Characidae	Iguanodectes purusii	native
Characiformes	Characidae	Iguanodectes rachovii	native
Characiformes	Characidae	Iguanodectes spilurus	native
Characiformes	Characidae	Iguanodectes variatus	native
Siluriformes	Pimelodidae	Iheringichthys labrosus	native
Clupeiformes	Pristigasteridae	Ilisha amazonica	native	Amazon ilisha	Apapa
Siluriformes	Heptapteridae	Imparfinis borodini	endemic		Bagre
Siluriformes	Heptapteridae	Imparfinis hasemani	endemic
Siluriformes	Heptapteridae	Imparfinis hollandi	native
Siluriformes	Heptapteridae	Imparfinis minutus	native		Bagre
Siluriformes	Heptapteridae	Imparfinis mirini	endemic		Bagrinho
Siluriformes	Heptapteridae	Imparfinis piperatus	endemic
Siluriformes	Heptapteridae	Imparfinis pristos	native
Siluriformes	Heptapteridae	Imparfinis schubarti	endemic		Bagrinho
Siluriformes	Heptapteridae	Imparfinis stictonotus	native		Bagrinho
Characiformes	Characidae	Inpaichthys kerri	native	Royal tetra	Puxa-puxa
Gymnotiformes	Rhamphichthyidae	Iracema caiana	native
Siluriformes	Loricariidae	Isbrueckerichthys alipionis	native
Siluriformes	Loricariidae	Isbrueckerichthys calvus	native
Siluriformes	Loricariidae	Isbrueckerichthys duseni	native		Cascudinho
Siluriformes	Loricariidae	Isbrueckerichthys epakmos	endemic
Siluriformes	Loricariidae	Isbrueckerichthys saxicola	native
Siluriformes	Trichomycteridae	Ituglanis amazonicus	native		Candiru
Siluriformes	Trichomycteridae	Ituglanis bambui	native
Siluriformes	Trichomycteridae	Ituglanis cahyensis	native
Siluriformes	Trichomycteridae	Ituglanis eichorniarum	native
Siluriformes	Trichomycteridae	Ituglanis epikarsticus	native
Siluriformes	Trichomycteridae	Ituglanis herberti	native
Siluriformes	Trichomycteridae	Ituglanis macunaima	native
Siluriformes	Trichomycteridae	Ituglanis mambai	native
Siluriformes	Trichomycteridae	Ituglanis paraguassuensis	native
Siluriformes	Trichomycteridae	Ituglanis parahybae	native
Siluriformes	Trichomycteridae	Ituglanis parkoi	native
Siluriformes	Trichomycteridae	Ituglanis passensis	native
Siluriformes	Trichomycteridae	Ituglanis proops	native
Siluriformes	Trichomycteridae	Ituglanis ramiroi	native
Cyprinodontiformes	Anablepidae	Jenynsia diphyes	native
Cyprinodontiformes	Anablepidae	Jenynsia eigenmanni	native
Cyprinodontiformes	Anablepidae	Jenynsia eirmostigma	native
Cyprinodontiformes	Anablepidae	Jenynsia lineata	native	Onesided livebearer
Cyprinodontiformes	Anablepidae	Jenynsia multidentata	native	Rio de la Plata onesided livebearer
Cyprinodontiformes	Anablepidae	Jenynsia onca	native
Cyprinodontiformes	Anablepidae	Jenynsia sanctaecatarinae	native
Cyprinodontiformes	Anablepidae	Jenynsia unitaenia	native
Cyprinodontiformes	Anablepidae	Jenynsia weitzmani	native
Characiformes	Characidae	Jupiaba acanthogaster	native
Characiformes	Characidae	Jupiaba anteroides	native
Characiformes	Characidae	Jupiaba apenima	native
Characiformes	Characidae	Jupiaba atypindi	native
Characiformes	Characidae	Jupiaba elassonaktis	native
Characiformes	Characidae	Jupiaba minor	native
Characiformes	Characidae	Jupiaba ocellata	native
Characiformes	Characidae	Jupiaba pirana	native
Characiformes	Characidae	Jupiaba poekotero	native		Utaseã
Characiformes	Characidae	Jupiaba polylepis	native
Characiformes	Characidae	Jupiaba poranga	native
Characiformes	Characidae	Jupiaba scologaster	native
Characiformes	Characidae	Jupiaba yarina	native
Characiformes	Characidae	Jupiaba zonata	native
Clupeiformes	Engraulidae	Jurengraulis juruensis	native	Jurua anchovy
Siluriformes	Doradidae	Kalyptodoras bahiensis	native		Peracuca
Characiformes	Crenuchidae	Klausewitzia ritae	native
Characiformes	Characidae	Knodus breviceps	native		Piaba
Characiformes	Characidae	Knodus chapadae	native
Characiformes	Characidae	Knodus geryi	native
Characiformes	Characidae	Knodus heteresthes	native
Characiformes	Characidae	Knodus savannensis	native
Characiformes	Characidae	Knodus smithi	native
Characiformes	Characidae	Knodus tiquiensis	native
Characiformes	Characidae	Knodus victoriae	native
Characiformes	Characidae	Kolpotocheirodon figueiredoi	native
Characiformes	Characidae	Kolpotocheirodon theloura	native		Lambari
Siluriformes	Loricariidae	Kronichthys heylandi	native		Heyland's suckermouth catfish
Siluriformes	Loricariidae	Kronichthys lacerta	native
Siluriformes	Loricariidae	Kronichthys subteres	native		Mãe-do-anhá
Cyprinodontiformes	Rivulidae	Kryptolebias brasiliensis	endemic
Cyprinodontiformes	Rivulidae	Kryptolebias campelloi	endemic
Cyprinodontiformes	Rivulidae	Kryptolebias caudomarginatus	endemic
Cyprinodontiformes	Rivulidae	Kryptolebias gracilis	native
Cyprinodontiformes	Rivulidae	Kryptolebias ocellatus	native
Characiformes	Anostomidae	Laemolyta garmani	native
Characiformes	Anostomidae	Laemolyta nitens	native
Characiformes	Anostomidae	Laemolyta petiti	native
Characiformes	Anostomidae	Laemolyta proxima	native		Aracú-caneta
Characiformes	Anostomidae	Laemolyta taeniata	native		Piau-vara
Characiformes	Anostomidae	Laemolyta varia	native
Perciformes	Cichlidae	Laetacara curviceps	native	Flag acara
Perciformes	Cichlidae	Laetacara dorsigera	native	Redbreast acara
Perciformes	Cichlidae	Laetacara flavilabris	native
Perciformes	Cichlidae	Laetacara thayeri	native
Siluriformes	Loricariidae	Lamontichthys filamentosus	native
Siluriformes	Loricariidae	Lampiella gibbosa	native
Siluriformes	Loricariidae	Lasiancistrus guapore	native
Siluriformes	Loricariidae	Lasiancistrus multispinis	native	Bristlemouth catfish
Siluriformes	Loricariidae	Lasiancistrus scolymus	native
Characiformes	Lebiasinidae	Lebiasina intermedia	native
Siluriformes	Pimelodidae	Leiarius arekaima	native
Siluriformes	Pimelodidae	Leiarius longibarbis	native
Siluriformes	Pimelodidae	Leiarius marmoratus	native		Jundiá
Siluriformes	Pimelodidae	Leiarius pictus	native
Lepidosireniformes	Lepidosirenidae	Lepidosiren paradoxa	native	South American lungfish	Piracourou-boia
Perciformes	Centrarchidae	Lepomis cyanellus	introduced	Green sunfish
Perciformes	Centrarchidae	Lepomis macrochirus	not established	Bluegill
Siluriformes	Loricariidae	Leporacanthicus galaxias	native
Siluriformes	Loricariidae	Leporacanthicus heterodon	endemic
Siluriformes	Loricariidae	Leporacanthicus joselimai	native
Characiformes	Anostomidae	Leporellus cartledgei	native
Characiformes	Anostomidae	Leporellus pictus	native
Characiformes	Anostomidae	Leporellus retropinnis	native
Characiformes	Anostomidae	Leporellus vittatus	native
Characiformes	Anostomidae	Leporinus acutidens	native		Piava de três pintas
Characiformes	Anostomidae	Leporinus affinis	native		Piau-flamengo
Characiformes	Anostomidae	Leporinus agassizii	native		Aracú
Characiformes	Anostomidae	Leporinus aguapeiensis	native		Piaussú
Characiformes	Anostomidae	Leporinus alternus	native
Characiformes	Anostomidae	Leporinus amae	native		Perna-de-moça
Characiformes	Anostomidae	Leporinus amazonicus	native
Characiformes	Anostomidae	Leporinus amblyrhynchus	native		Chimbore
Characiformes	Anostomidae	Leporinus aripuanaensis	native
Characiformes	Anostomidae	Leporinus bahiensis	native
Characiformes	Anostomidae	Leporinus bimaculatus	native
Characiformes	Anostomidae	Leporinus bistriatus	native
Characiformes	Anostomidae	Leporinus bleheri	native
Characiformes	Anostomidae	Leporinus brunneus	native
Characiformes	Anostomidae	Leporinus conirostris	native
Characiformes	Anostomidae	Leporinus copelandii	native		Piava-vermelha
Characiformes	Anostomidae	Leporinus crassilabris	native
Characiformes	Anostomidae	Leporinus cylindriformis	native
Characiformes	Anostomidae	Leporinus despaxi	native		Piau
Characiformes	Anostomidae	Leporinus elongatus	native		Piapara
Characiformes	Anostomidae	Leporinus falcipinnis	endemic
Characiformes	Anostomidae	Leporinus fasciatus	native	Banded leporinus	Aracú-flamengo
Characiformes	Anostomidae	Leporinus friderici	native	Threespot leporinus	Araçu cabeça gorda
Characiformes	Anostomidae	Leporinus garmani	native
Characiformes	Anostomidae	Leporinus gomesi	native
Characiformes	Anostomidae	Leporinus jamesi	native
Characiformes	Anostomidae	Leporinus julii	endemic
Characiformes	Anostomidae	Leporinus klausewitzi	native
Characiformes	Anostomidae	Leporinus lacustris	native		Piava de lagoa
Characiformes	Anostomidae	Leporinus leschenaulti	native
Characiformes	Anostomidae	Leporinus macrocephalus	native		Piaussu
Characiformes	Anostomidae	Leporinus maculatus	native	Spotted leporinus	Araçu pinima
Characiformes	Anostomidae	Leporinus marcgravii	native
Characiformes	Anostomidae	Leporinus melanopleura	native	Spottail leporinus
Characiformes	Anostomidae	Leporinus melanostictus	native		Araçu
Characiformes	Anostomidae	Leporinus microphthalmus	native
Characiformes	Anostomidae	Leporinus moralesi	native
Characiformes	Anostomidae	Leporinus mormyrops	native
Characiformes	Anostomidae	Leporinus nattereri	native
Characiformes	Anostomidae	Leporinus nigrotaeniatus	native	Halfline leporinus
Characiformes	Anostomidae	Leporinus nijsseni	native
Characiformes	Anostomidae	Leporinus obtusidens	native		Piapara
Characiformes	Anostomidae	Leporinus octofasciatus	native		Ferreirinha
Characiformes	Anostomidae	Leporinus octomaculatus	native
Characiformes	Anostomidae	Leporinus ortomaculatus	native
Characiformes	Anostomidae	Leporinus pachycheilus	native
Characiformes	Anostomidae	Leporinus pachyurus	native
Characiformes	Anostomidae	Leporinus parae	native
Characiformes	Anostomidae	Leporinus paralternus	native
Characiformes	Anostomidae	Leporinus paranensis	native
Characiformes	Anostomidae	Leporinus pellegrinii	native
Characiformes	Anostomidae	Leporinus piau	native		Piau
Characiformes	Anostomidae	Leporinus pitingai	native
Characiformes	Anostomidae	Leporinus reinhardti	native
Characiformes	Anostomidae	Leporinus reticulatus	native
Characiformes	Anostomidae	Leporinus sexstriatus	native
Characiformes	Anostomidae	Leporinus silvestrii	native
Characiformes	Anostomidae	Leporinus spilopleura	native
Characiformes	Anostomidae	Leporinus steindachneri	native
Characiformes	Anostomidae	Leporinus striatus	native		Canivete
Characiformes	Anostomidae	Leporinus taeniatus	native
Characiformes	Anostomidae	Leporinus taeniofasciatus	native
Characiformes	Anostomidae	Leporinus thayeri	native		Timburé
Characiformes	Anostomidae	Leporinus tigrinus	native
Characiformes	Anostomidae	Leporinus trifasciatus	native		Araçu cabeça gorda
Characiformes	Anostomidae	Leporinus trimaculatus	native
Characiformes	Anostomidae	Leporinus uatumaensis	native
Characiformes	Anostomidae	Leporinus venerei	native
Siluriformes	Callichthyidae	Lepthoplosternum pectorale	native		Tamoatá
Siluriformes	Callichthyidae	Lepthoplosternum stellatum	native
Siluriformes	Callichthyidae	Lepthoplosternum tordilho	native		Cascudo
Siluriformes	Callichthyidae	Lepthoplosternum ucamara	native
Characiformes	Characidae	Leptobrycon jatuaranae	native
Siluriformes	Doradidae	Leptodoras acipenserinus	native		Mandi-serra
Siluriformes	Doradidae	Leptodoras cataniai	native
Siluriformes	Doradidae	Leptodoras copei	native		Botinho
Siluriformes	Doradidae	Leptodoras hasemani	native
Siluriformes	Doradidae	Leptodoras juruensis	native
Siluriformes	Doradidae	Leptodoras linnelli	native		Mandi-serra
Siluriformes	Doradidae	Leptodoras oyakawai	native
Siluriformes	Doradidae	Leptodoras praelongus	native		Botinho
Cyprinodontiformes	Rivulidae	Leptolebias aureoguttatus	native
Cyprinodontiformes	Rivulidae	Leptolebias citrinipinnis	native
Cyprinodontiformes	Rivulidae	Leptolebias itanhaensis	native
Cyprinodontiformes	Rivulidae	Leptolebias leitaoi	endemic
Cyprinodontiformes	Rivulidae	Leptolebias marmoratus	endemic	Marbled pearlfish
Cyprinodontiformes	Rivulidae	Leptolebias opalescens	endemic	Opal pearlfish
Cyprinodontiformes	Rivulidae	Leptolebias splendens	endemic	Splendid pearlfish
Siluriformes	Heptapteridae	Leptorhamdia essequibensis	native
Siluriformes	Heptapteridae	Leptorhamdia marmorata	native
Siluriformes	Heptapteridae	Leptorhamdia schultzi	native
Characiformes	Characidae	Lignobrycon myersi	native		Canivete
Siluriformes	Loricariidae	Limatulichthys griseus	native
Siluriformes	Auchenipteridae	Liosomadoras oncinus	native	Jaguar catfish
Siluriformes	Trichomycteridae	Listrura boticario	native
Siluriformes	Trichomycteridae	Listrura camposi	native
Siluriformes	Trichomycteridae	Listrura nematopteryx	native
Siluriformes	Trichomycteridae	Listrura picinguabae	native
Siluriformes	Trichomycteridae	Listrura tetraradiata	native
Siluriformes	Doradidae	Lithodoras dorsalis	native	Rock-bacu	Pacú
Characiformes	Characidae	Lonchogenys ilisha	native
Characiformes	Characidae	Lophiobrycon weitzmani	endemic
Siluriformes	Pseudopimelodidae	Lophiosilurus alexandri	endemic		Pacamão
Siluriformes	Loricariidae	Loricaria cataphracta	native		Acari
Siluriformes	Loricariidae	Loricaria clavipinna	native
Siluriformes	Loricariidae	Loricaria lata	native
Siluriformes	Loricariidae	Loricaria lentiginosa	native
Siluriformes	Loricariidae	Loricaria lundbergi	native
Siluriformes	Loricariidae	Loricaria parnahybae	native
Siluriformes	Loricariidae	Loricaria piracicabae	native
Siluriformes	Loricariidae	Loricaria pumila	native
Siluriformes	Loricariidae	Loricaria simillima	native
Siluriformes	Loricariidae	Loricaria spinulifera	native
Siluriformes	Loricariidae	Loricariichthys acutus	native
Siluriformes	Loricariidae	Loricariichthys anus	native
Siluriformes	Loricariidae	Loricariichthys castaneus	native
Siluriformes	Loricariidae	Loricariichthys derbyi	native
Siluriformes	Loricariidae	Loricariichthys labialis	native		Cari
Siluriformes	Loricariidae	Loricariichthys melanocheilus	native
Siluriformes	Loricariidae	Loricariichthys nudirostris	native
Siluriformes	Loricariidae	Loricariichthys platymetopon	native		Acari
Siluriformes	Loricariidae	Loricariichthys rostratus	native
Siluriformes	Pimelodidae	Luciopimelodus pati	native	Pati
Perciformes	Blenniidae	Lupinoblennius paivai	native	Paiva's blenny	Paiva's blenny
Clupeiformes	Engraulidae	Lycengraulis batesii	native	Bates' sabretooth anchovy	Sardinha-dogato
Clupeiformes	Engraulidae	Lycengraulis grossidens	native	Atlantic sabretooth anchovy	Sardinha prata
Characiformes	Characidae	Macropsobrycon uruguayanae	native		Lambari
Characiformes	Characidae	Macropsobrycon xinguensis	native		Piabinha
Siluriformes	Loricariidae	Macrotocinclus affinis	native	Golden otocinclus
Gymnotiformes	Apteronotidae	Magosternarchus duccis	native
Gymnotiformes	Apteronotidae	Magosternarchus raptor	native
Cyprinodontiformes	Rivulidae	Maratecoara formosa	endemic
Cyprinodontiformes	Rivulidae	Maratecoara lacortei	endemic
Cyprinodontiformes	Rivulidae	Maratecoara splendida	native
Characiformes	Characidae	Markiana nigripinnis	native		Lambari-campo
Siluriformes	Heptapteridae	Mastiglanis asopos	native		Bagrinho
Gymnotiformes	Apteronotidae	Megadontognathus kaitukaensis	native
Siluriformes	Loricariidae	Megalancistrus barrae	endemic
Siluriformes	Loricariidae	Megalancistrus parananus	native		Cascudo-abacaxi
Cyprinodontiformes	Rivulidae	Megalebias wolterstorffi	native
Siluriformes	Callichthyidae	Megalechis picta	native	Spotted hoplo	Tamboatá
Siluriformes	Callichthyidae	Megalechis thoracata	native		Tamoatá
Siluriformes	Trichomycteridae	Megalocentor echthrus	native
Siluriformes	Doradidae	Megalodoras uranoscopus	native		Bacu
Siluriformes	Pimelodidae	Megalonema amaxanthum	native
Siluriformes	Pimelodidae	Megalonema platanum	native
Siluriformes	Pimelodidae	Megalonema platycephalum	native
Characiformes	Crenuchidae	Melanocharacidium auroradiatum	native
Characiformes	Crenuchidae	Melanocharacidium depressum	native
Characiformes	Crenuchidae	Melanocharacidium dispilomma	native
Characiformes	Crenuchidae	Melanocharacidium nigrum	native
Characiformes	Crenuchidae	Melanocharacidium pectorale	native
Siluriformes	Doradidae	Merodoras nheco	native
Perciformes	Cichlidae	Mesonauta acora	native
Perciformes	Cichlidae	Mesonauta festivus	native	Flag cichlid	Acará Bandeira
Perciformes	Cichlidae	Mesonauta guyanae	native
Perciformes	Cichlidae	Mesonauta insignis	native
Characiformes	Characidae	Metynnis argenteus	endemic		Pacu
Characiformes	Characidae	Metynnis fasciatus	endemic		Pacu-marreca
Characiformes	Characidae	Metynnis guaporensis	native		Pacu
Characiformes	Characidae	Metynnis hypsauchen	native	Silver dollar	Pacu
Characiformes	Characidae	Metynnis lippincottianus	native		Pacu
Characiformes	Characidae	Metynnis maculatus	native	Spotted metynnis	Pacu peva
Characiformes	Characidae	Metynnis mola	native		Pacu peva
Siluriformes	Trichomycteridae	Microcambeva barbata	native
Siluriformes	Trichomycteridae	Microcambeva ribeirae	native
Characiformes	Crenuchidae	Microcharacidium gnomus	native
Characiformes	Crenuchidae	Microcharacidium weitzmani	native
Siluriformes	Pseudopimelodidae	Microglanis ater	endemic
Siluriformes	Pseudopimelodidae	Microglanis cibelae	endemic
Siluriformes	Pseudopimelodidae	Microglanis cottoides	endemic
Siluriformes	Pseudopimelodidae	Microglanis eurystoma	endemic
Siluriformes	Pseudopimelodidae	Microglanis garavelloi	native
Siluriformes	Pseudopimelodidae	Microglanis leptostriatus	native
Siluriformes	Pseudopimelodidae	Microglanis malabarbai	native
Siluriformes	Pseudopimelodidae	Microglanis nigripinnis	endemic
Siluriformes	Pseudopimelodidae	Microglanis parahybae	native
Siluriformes	Pseudopimelodidae	Microglanis pataxo	native
Siluriformes	Loricariidae	Microlepidogaster bourguyi	native
Siluriformes	Loricariidae	Microlepidogaster perforatus	native
Characiformes	Hemiodontidae	Micromischodus sugillatus	native
Siluriformes	Aspredinidae	Micromyzon akamai	native
Cyprinodontiformes	Poeciliidae	Micropoecilia bifurca	native		Barrigudinho
Cyprinodontiformes	Poeciliidae	Micropoecilia branneri	native
Cyprinodontiformes	Poeciliidae	Micropoecilia minima	native		Barrigudinho
Cyprinodontiformes	Poeciliidae	Micropoecilia parae	native		Barrigudinho
Cyprinodontiformes	Poeciliidae	Micropoecilia picta	native	Swamp guppies	Barrigudinho
Perciformes	Centrarchidae	Micropterus salmoides	not established	Largemouth bass
Characiformes	Characidae	Microschemobrycon callops	native
Characiformes	Characidae	Microschemobrycon casiquiare	native
Characiformes	Characidae	Microschemobrycon elongatus	native
Characiformes	Characidae	Microschemobrycon geisleri	native
Characiformes	Characidae	Microschemobrycon guaporensis	native
Characiformes	Characidae	Microschemobrycon melanotus	native
Characiformes	Characidae	Microschemobrycon meyburgi	native
Gymnotiformes	Hypopomidae	Microsternarchus bilineatus	native
Perciformes	Cichlidae	Mikrogeophagus altispinosus	native
Characiformes	Characidae	Mimagoniates inequalis	native	Croaking tetra	Lumbari
Characiformes	Characidae	Mimagoniates lateralis	native
Characiformes	Characidae	Mimagoniates microlepis	native	Blue tetra
Characiformes	Characidae	Mimagoniates rheocharis	native		Lambari-azul
Characiformes	Characidae	Mimagoniates sylvicola	native
Siluriformes	Trichomycteridae	Miuroglanis platycephalus	native
Cyprinodontiformes	Rivulidae	Moema apurinan	native
Cyprinodontiformes	Rivulidae	Moema heterostigma	native
Cyprinodontiformes	Rivulidae	Moema nudifrontata	native
Cyprinodontiformes	Rivulidae	Moema pepotei	native
Cyprinodontiformes	Rivulidae	Moema piriana	endemic
Cyprinodontiformes	Rivulidae	Moema portugali	endemic
Cyprinodontiformes	Rivulidae	Moema staecki	native
Characiformes	Characidae	Moenkhausia affinis	native		Lambari
Characiformes	Characidae	Moenkhausia agnesae	native		Lambari
Characiformes	Characidae	Moenkhausia barbouri	native		Lambari
Characiformes	Characidae	Moenkhausia bonita	native
Characiformes	Characidae	Moenkhausia browni	native
Characiformes	Characidae	Moenkhausia ceros	native		Lambari
Characiformes	Characidae	Moenkhausia chrysargyrea	native		Lambari
Characiformes	Characidae	Moenkhausia collettii	native		Lambari
Characiformes	Characidae	Moenkhausia comma	native		Lambari
Characiformes	Characidae	Moenkhausia copei	native
Characiformes	Characidae	Moenkhausia cosmops	native
Characiformes	Characidae	Moenkhausia costae	native		Lambari
Characiformes	Characidae	Moenkhausia cotinho	native		Lambari
Characiformes	Characidae	Moenkhausia diamantina	native
Characiformes	Characidae	Moenkhausia dichroura	native	Bandtail tetra	Lambari
Characiformes	Characidae	Moenkhausia diktyota	native
Characiformes	Characidae	Moenkhausia doceana	native		Lambari
Characiformes	Characidae	Moenkhausia gracilima	native		Lambari
Characiformes	Characidae	Moenkhausia grandisquamis	native		Lambari
Characiformes	Characidae	Moenkhausia hasemani	native		Lambari
Characiformes	Characidae	Moenkhausia heikoi	native
Characiformes	Characidae	Moenkhausia hysterosticta	native
Characiformes	Characidae	Moenkhausia intermedia	native		Lambari-corintiano
Characiformes	Characidae	Moenkhausia jamesi	native		Lambari
Characiformes	Characidae	Moenkhausia justae	native		Lambari
Characiformes	Characidae	Moenkhausia lata	native		Lambari
Characiformes	Characidae	Moenkhausia latissima	native		Lambari
Characiformes	Characidae	Moenkhausia lepidura	native		Rabo de fogo
Characiformes	Characidae	Moenkhausia levidorsa	native
Characiformes	Characidae	Moenkhausia lopesi	native
Characiformes	Characidae	Moenkhausia loweae	native		Lambari
Characiformes	Characidae	Moenkhausia megalops	native		Lambari
Characiformes	Characidae	Moenkhausia melogramma	native		Lambari
Characiformes	Characidae	Moenkhausia newtoni	native		Lambari
Characiformes	Characidae	Moenkhausia nigromarginata	native		Lambari
Characiformes	Characidae	Moenkhausia oligolepis	native	Glass tetra	Pequira
Characiformes	Characidae	Moenkhausia pankilopteryx	native
Characiformes	Characidae	Moenkhausia petymbuaba	native
Characiformes	Characidae	Moenkhausia phaeonota	native		Piaba
Characiformes	Characidae	Moenkhausia pyrophthalma	native		Lambari olho-de-fogo
Characiformes	Characidae	Moenkhausia sanctaefilomenae	native	Redeye tetra	Pequira
Characiformes	Characidae	Moenkhausia surinamensis	native
Characiformes	Characidae	Moenkhausia takasei	native	Black-jacket tetra	Lambari
Characiformes	Characidae	Moenkhausia tergimacula	native		Lambari
Characiformes	Characidae	Moenkhausia tridentata	native		Lambari
Characiformes	Characidae	Moenkhausia xinguensis	native		Piaba
Perciformes	Polycentridae	Monocirrhus polyacanthus	native	Amazon leaffish	Peixe-folha
Mugiliformes	Mugilidae	Mugil cephalus	native	Flathead mullet	Curemà
Mugiliformes	Mugilidae	Mugil curema	native	White mullet	Caíca
Mugiliformes	Mugilidae	Mugil gyrans	native	Fantail mullet	Parati
Mugiliformes	Mugilidae	Mugil liza	native	Liza	Cambão
Characiformes	Characidae	Mylesinus paraschomburgkii	native		Pacu cana
Characiformes	Characidae	Mylesinus paucisquamatus	native		Curupeté
Characiformes	Characidae	Myleus altipinnis	native
Characiformes	Characidae	Myleus arnoldi	native		Pacu branco
Characiformes	Characidae	Myleus asterias	native		Pacu
Characiformes	Characidae	Myleus levis	native		Coxa de negro
Characiformes	Characidae	Myleus lobatus	native
Characiformes	Characidae	Myleus micans	native		Pacu
Characiformes	Characidae	Myleus pacu	misidentification		Pacu dente
Characiformes	Characidae	Myleus rhomboidalis	native		Pacu
Characiformes	Characidae	Myleus schomburgkii	native	Disk tetra	Pacu jumento
Characiformes	Characidae	Myleus setiger	native		Pacu dente-seco
Characiformes	Characidae	Myleus ternetzi	native
Characiformes	Characidae	Myleus tiete	native		Pacu peva
Characiformes	Characidae	Myleus torquatus	native		Pacu branco
Characiformes	Characidae	Myloplus rubripinnis	native	Redhook myleus	Pacu branco
Characiformes	Characidae	Mylossoma aureum	native		Pacu comum
Characiformes	Characidae	Mylossoma duriventre	native		Pacu peva
Anguilliformes	Ophichthidae	Myrophis plumbeus	native	Leaden worm eel
Characiformes	Characidae	Myxiops aphos	native
Perciformes	Cichlidae	Nannacara adoketa	native
Perciformes	Cichlidae	Nannacara taenia	native
Siluriformes	Loricariidae	Nannoptopoma sternoptychum	native
Characiformes	Lebiasinidae	Nannostomus anduzei	native
Characiformes	Lebiasinidae	Nannostomus beckfordi	native	Golden pencilfish	Torpedinho-doudado
Characiformes	Lebiasinidae	Nannostomus bifasciatus	native	Whiteside pencilfish	Torpedinho
Characiformes	Lebiasinidae	Nannostomus britskii	native	Spotstripe pencilfish
Characiformes	Lebiasinidae	Nannostomus digrammus	native	Twostripe pencilfish
Characiformes	Lebiasinidae	Nannostomus eques	native	Brown pencilfish
Characiformes	Lebiasinidae	Nannostomus limatus	native	Elegant pencilfish
Characiformes	Lebiasinidae	Nannostomus marginatus	native	Dwarf pencilfish
Characiformes	Lebiasinidae	Nannostomus marilynae	native	Greenstripe pencilfish
Characiformes	Lebiasinidae	Nannostomus nitidus	native	Shining pencilfish
Characiformes	Lebiasinidae	Nannostomus trifasciatus	native	Threestripe pencilfish
Characiformes	Lebiasinidae	Nannostomus unifasciatus	native	Oneline pencilfish
Siluriformes	Doradidae	Nemadoras elongatus	native
Siluriformes	Doradidae	Nemadoras hemipeltis	native
Siluriformes	Doradidae	Nemadoras humeralis	native
Siluriformes	Doradidae	Nemadoras leporhinus	native
Siluriformes	Doradidae	Nemadoras trimaculatus	native
Characiformes	Characidae	Nematocharax venustus	native
Cyprinodontiformes	Rivulidae	Nematolebias papilliferus	native
Cyprinodontiformes	Rivulidae	Nematolebias whitei	endemic	Rio pearlfish
Siluriformes	Heptapteridae	Nemuroglanis lanceolatus	native
Siluriformes	Heptapteridae	Nemuroglanis pauciradiatus	native
Cyprinodontiformes	Rivulidae	Neofundulus acutirostratus	endemic
Cyprinodontiformes	Rivulidae	Neofundulus guaporensis	endemic
Cyprinodontiformes	Rivulidae	Neofundulus paraguayensis	native
Cyprinodontiformes	Rivulidae	Neofundulus parvipinnis	endemic
Siluriformes	Loricariidae	Neoplecostomus corumba	native
Siluriformes	Loricariidae	Neoplecostomus espiritosantensis	native
Siluriformes	Loricariidae	Neoplecostomus franciscoensis	native
Siluriformes	Loricariidae	Neoplecostomus microps	native
Siluriformes	Loricariidae	Neoplecostomus paranensis	native
Siluriformes	Loricariidae	Neoplecostomus ribeirensis	native
Siluriformes	Loricariidae	Neoplecostomus selenae	native
Siluriformes	Loricariidae	Neoplecostomus variipictus	native
Siluriformes	Loricariidae	Neoplecostomus yapo	native
Cyprinodontiformes	Rivulidae	Notholebias cruzi	endemic
Cyprinodontiformes	Rivulidae	Notholebias fractifasciatus	native
Cyprinodontiformes	Rivulidae	Notholebias minimus	endemic	Barredtail pearlfish
Siluriformes	Trichomycteridae	Ochmacanthus alternus	native
Siluriformes	Trichomycteridae	Ochmacanthus batrachostomus	native
Siluriformes	Trichomycteridae	Ochmacanthus orinoco	native
Siluriformes	Trichomycteridae	Ochmacanthus reinhardtii	native		Candiru
Atheriniformes	Atherinopsidae	Odontesthes argentinensis	native		Peixe-rei
Atheriniformes	Atherinopsidae	Odontesthes bicudo	native		Peixe-rei
Atheriniformes	Atherinopsidae	Odontesthes humensis	native
Atheriniformes	Atherinopsidae	Odontesthes incisa	native		Mamarreis
Atheriniformes	Atherinopsidae	Odontesthes ledae	native
Atheriniformes	Atherinopsidae	Odontesthes mirinensis	native
Atheriniformes	Atherinopsidae	Odontesthes orientalis	native
Atheriniformes	Atherinopsidae	Odontesthes perugiae	native
Atheriniformes	Atherinopsidae	Odontesthes piquava	native
Characiformes	Crenuchidae	Odontocharacidium aphanes	native	Green dwarf tetra
Clupeiformes	Clupeidae	Odontognathus mucronatus	native	Guiana longfin herring	Pelada
Characiformes	Characidae	Odontostilbe fugitiva	native
Characiformes	Characidae	Odontostilbe nareuda	native
Characiformes	Characidae	Odontostilbe paraguayensis	native
Characiformes	Characidae	Odontostilbe parecis	native
Characiformes	Characidae	Odontostilbe pequira	native		Lambari
Characiformes	Characidae	Odontostilbe stenodon	native
Characiformes	Characidae	Odontostoechus lethostigmus	native
Siluriformes	Loricariidae	Oligancistrus punctatissimus	endemic
Characiformes	Characidae	Oligobrycon microstomus	native
Perciformes	Carangidae	Oligoplites palometa	native	Maracaibo leatherjacket	Guaivira
Characiformes	Characidae	Oligosarcus acutirostris	native
Characiformes	Characidae	Oligosarcus argenteus	native
Characiformes	Characidae	Oligosarcus brevioris	native
Characiformes	Characidae	Oligosarcus hepsetus	native		Tambicu
Characiformes	Characidae	Oligosarcus jenynsii	native		Tambica
Characiformes	Characidae	Oligosarcus longirostris	native
Characiformes	Characidae	Oligosarcus macrolepis	native		Tambicu
Characiformes	Characidae	Oligosarcus oligolepis	native
Characiformes	Characidae	Oligosarcus paranensis	native		Tambicu
Characiformes	Characidae	Oligosarcus perdido	native
Characiformes	Characidae	Oligosarcus pintoi	native		Lambari
Characiformes	Characidae	Oligosarcus planaltinae	native
Characiformes	Characidae	Oligosarcus robustus	native		Tambicu
Characiformes	Characidae	Oligosarcus solitarius	native
Salmoniformes	Salmonidae	Oncorhynchus mykiss	introduced	Rainbow trout
Siluriformes	Doradidae	Opsodoras boulengeri	native
Siluriformes	Doradidae	Opsodoras morei	native
Siluriformes	Doradidae	Opsodoras stuebelii	native		Shitari
Siluriformes	Doradidae	Opsodoras ternetzi	native
Perciformes	Cichlidae	Oreochromis aureus	introduced	Blue tilapia
Perciformes	Cichlidae	Oreochromis mossambicus	introduced	Mozambique tilapia
Perciformes	Cichlidae	Oreochromis niloticus niloticus	introduced	Nile tilapia
Perciformes	Cichlidae	Oreochromis urolepis hornorum	introduced	Wami tilapia	Tilápia
Characiformes	Characidae	Orthospinus franciscensis	native
Gymnotiformes	Apteronotidae	Orthosternarchus tamandua	native
Characiformes	Characidae	Ossubtus xinguense	native
Osteoglossiformes	Osteoglossidae	Osteoglossum bicirrhosum	native	Arawana	Sulamba
Osteoglossiformes	Osteoglossidae	Osteoglossum ferreirai	endemic	Black arawana	Aruanã
Siluriformes	Loricariidae	Otocinclus bororo	native
Siluriformes	Loricariidae	Otocinclus caxarari	native
Siluriformes	Loricariidae	Otocinclus flexilis	native
Siluriformes	Loricariidae	Otocinclus hasemani	native
Siluriformes	Loricariidae	Otocinclus hoppei	native
Siluriformes	Loricariidae	Otocinclus mura	native
Siluriformes	Loricariidae	Otocinclus tapirape	native
Siluriformes	Loricariidae	Otocinclus vittatus	native
Siluriformes	Loricariidae	Otocinclus xakriaba	native
Siluriformes	Loricariidae	Otothyris juquiae	endemic
Siluriformes	Loricariidae	Otothyris lophophanes	endemic
Siluriformes	Loricariidae	Otothyris rostrata	native
Siluriformes	Loricariidae	Otothyris travassosi	native
Siluriformes	Loricariidae	Otothyropsis marapoama	native
Siluriformes	Doradidae	Oxydoras kneri	native		Focinho de porco
Siluriformes	Doradidae	Oxydoras niger	native	Ripsaw catfish	Cuiu-cuiu
Siluriformes	Loricariidae	Oxyropsis acutirostra	native
Siluriformes	Loricariidae	Oxyropsis carinata	native
Siluriformes	Loricariidae	Oxyropsis wrightiana	native
Perciformes	Sciaenidae	Pachypops fourcroi	native	Guyanan croaker	Pescada-cabeça-dura
Perciformes	Sciaenidae	Pachypops pigmaeus	native
Perciformes	Sciaenidae	Pachypops trifilis	native		Curvina
Perciformes	Sciaenidae	Pachyurus adspersus	native	Brazilian croaker	Corvina
Perciformes	Sciaenidae	Pachyurus bonariensis	native	La Plata croaker	Corvina
Perciformes	Sciaenidae	Pachyurus calhamazon	native		Corvina
Perciformes	Sciaenidae	Pachyurus francisci	endemic	San Francisco croaker
Perciformes	Sciaenidae	Pachyurus gabrielensis	native		Corvina
Perciformes	Sciaenidae	Pachyurus junki	native		Corvina
Perciformes	Sciaenidae	Pachyurus paucirastrus	native		Corvina
Perciformes	Sciaenidae	Pachyurus schomburgkii	native	Amazon croaker
Perciformes	Sciaenidae	Pachyurus squamipennis	native		Corvina-preta
Cyprinodontiformes	Poeciliidae	Pamphorichthys araguaiensis	native
Cyprinodontiformes	Poeciliidae	Pamphorichthys hollandi	endemic
Cyprinodontiformes	Poeciliidae	Pamphorichthys minor	endemic	Mini-molly
Cyprinodontiformes	Poeciliidae	Pamphorichthys scalpridens	endemic
Siluriformes	Loricariidae	Panaqolus purusiensis	endemic
Siluriformes	Loricariidae	Panaque nigrolineatus	native	Royal panaque
Siluriformes	Trichomycteridae	Paracanthopoma parva	native
Characiformes	Characidae	Paracheirodon axelrodi	native	Cardinal tetra
Characiformes	Characidae	Paracheirodon innesi	native	Neon tetra
Characiformes	Characidae	Paracheirodon simulans	native	Green neon tetra
Perciformes	Cichlidae	Parachromis motaguensis	misidentification	False yellowjacket cichlid
Characiformes	Characidae	Paragoniates alburnus	native
Siluriformes	Loricariidae	Paraloricaria commersonoides	questionable
Siluriformes	Loricariidae	Parancistrus aurantiacus	native		Acari
Siluriformes	Loricariidae	Parancistrus nudiventris	native
Siluriformes	Pimelodidae	Parapimelodus nigribarbis	native
Siluriformes	Pimelodidae	Parapimelodus valenciennis	native
Gymnotiformes	Apteronotidae	Parapteronotus hasemani	native
Siluriformes	Trichomycteridae	Parastegophilus paulensis	native
Rajiformes	Potamotrygonidae	Paratrygon aiereba	native	Discus ray	Arraia
Siluriformes	Trichomycteridae	Paravandellia oxyptera	native	Pantanal parasitic catfish
Characiformes	Characidae	Parecbasis cyclolepis	native
Siluriformes	Trichomycteridae	Pareiodon microps	native
Siluriformes	Loricariidae	Pareiorhaphis azygolechis	native
Siluriformes	Loricariidae	Pareiorhaphis bahianus	native
Siluriformes	Loricariidae	Pareiorhaphis cameroni	native
Siluriformes	Loricariidae	Pareiorhaphis cerosus	native
Siluriformes	Loricariidae	Pareiorhaphis eurycephalus	native
Siluriformes	Loricariidae	Pareiorhaphis garbei	endemic
Siluriformes	Loricariidae	Pareiorhaphis hypselurus	native
Siluriformes	Loricariidae	Pareiorhaphis hystrix	native
Siluriformes	Loricariidae	Pareiorhaphis mutuca	native
Siluriformes	Loricariidae	Pareiorhaphis nasuta	native
Siluriformes	Loricariidae	Pareiorhaphis nudulus	native
Siluriformes	Loricariidae	Pareiorhaphis parmula	native
Siluriformes	Loricariidae	Pareiorhaphis regani	native
Siluriformes	Loricariidae	Pareiorhaphis splendens	native
Siluriformes	Loricariidae	Pareiorhaphis steindachneri	native
Siluriformes	Loricariidae	Pareiorhaphis stephanus	native
Siluriformes	Loricariidae	Pareiorhaphis stomias	native
Siluriformes	Loricariidae	Pareiorhaphis vestigipinnis	native
Siluriformes	Loricariidae	Pareiorhina brachyrhyncha	native
Siluriformes	Loricariidae	Pareiorhina carrancas	native
Siluriformes	Loricariidae	Pareiorhina rudolphi	native
Siluriformes	Heptapteridae	Pariolius armillatus	native
Gymnotiformes	Apteronotidae	Pariosternarchus amazonensis	native
Characiformes	Parodontidae	Parodon bifasciatus	native
Characiformes	Parodontidae	Parodon buckleyi	native
Characiformes	Parodontidae	Parodon hilarii	native		Canivete
Characiformes	Parodontidae	Parodon moreirai	native
Characiformes	Parodontidae	Parodon nasus	native		Canivete
Characiformes	Parodontidae	Parodon pongoensis	native	Pongo characin
Siluriformes	Loricariidae	Parotocinclus amazonensis	native
Siluriformes	Loricariidae	Parotocinclus aripuanensis	native
Siluriformes	Loricariidae	Parotocinclus bahiensis	native
Siluriformes	Loricariidae	Parotocinclus bidentatus	native
Siluriformes	Loricariidae	Parotocinclus cearensis	native
Siluriformes	Loricariidae	Parotocinclus cesarpintoi	native
Siluriformes	Loricariidae	Parotocinclus cristatus	native
Siluriformes	Loricariidae	Parotocinclus doceanus	native
Siluriformes	Loricariidae	Parotocinclus haroldoi	native
Siluriformes	Loricariidae	Parotocinclus jimi	native
Siluriformes	Loricariidae	Parotocinclus jumbo	native
Siluriformes	Loricariidae	Parotocinclus longirostris	native
Siluriformes	Loricariidae	Parotocinclus maculicauda	native
Siluriformes	Loricariidae	Parotocinclus minutus	native
Siluriformes	Loricariidae	Parotocinclus muriaensis	native
Siluriformes	Loricariidae	Parotocinclus planicauda	native
Siluriformes	Loricariidae	Parotocinclus prata	native
Siluriformes	Loricariidae	Parotocinclus spilosoma	native
Siluriformes	Loricariidae	Parotocinclus spilurus	native
Siluriformes	Loricariidae	Peckoltia bachi	endemic
Siluriformes	Loricariidae	Peckoltia braueri	native
Siluriformes	Loricariidae	Peckoltia brevis	endemic
Siluriformes	Loricariidae	Peckoltia filicaudata	endemic
Siluriformes	Loricariidae	Peckoltia kuhlmanni	endemic
Siluriformes	Loricariidae	Peckoltia oligospila	endemic
Siluriformes	Loricariidae	Peckoltia snethlageae	endemic
Siluriformes	Loricariidae	Peckoltia vermiculata	endemic
Siluriformes	Loricariidae	Peckoltia vittata	native
Clupeiformes	Pristigasteridae	Pellona castelnaeana	native	Amazon pellona	Apapa
Clupeiformes	Pristigasteridae	Pellona flavipinnis	native	Yellowfin river pellona	Apaca branca
Perciformes	Sciaenidae	Petilipinnis grunniens	native		Corvina
Characiformes	Characidae	Petitella georgiae	native	False rummynose tetra
Cyprinodontiformes	Poeciliidae	Phalloceros alessandrae	native
Cyprinodontiformes	Poeciliidae	Phalloceros anisophallos	native
Cyprinodontiformes	Poeciliidae	Phalloceros aspilos	native
Cyprinodontiformes	Poeciliidae	Phalloceros buckupi	native
Cyprinodontiformes	Poeciliidae	Phalloceros caudimaculatus	native	Dusky millions fish
Cyprinodontiformes	Poeciliidae	Phalloceros elachistos	native
Cyprinodontiformes	Poeciliidae	Phalloceros enneaktinos	native
Cyprinodontiformes	Poeciliidae	Phalloceros harpagos	native
Cyprinodontiformes	Poeciliidae	Phalloceros heptaktinos	native
Cyprinodontiformes	Poeciliidae	Phalloceros leptokeras	native
Cyprinodontiformes	Poeciliidae	Phalloceros leticiae	native
Cyprinodontiformes	Poeciliidae	Phalloceros lucenorum	native
Cyprinodontiformes	Poeciliidae	Phalloceros malabarbai	native
Cyprinodontiformes	Poeciliidae	Phalloceros megapolos	native
Cyprinodontiformes	Poeciliidae	Phalloceros mikrommatos	native
Cyprinodontiformes	Poeciliidae	Phalloceros ocellatus	native
Cyprinodontiformes	Poeciliidae	Phalloceros pellos	native
Cyprinodontiformes	Poeciliidae	Phalloceros reisi	native
Cyprinodontiformes	Poeciliidae	Phalloceros spiloura	native
Cyprinodontiformes	Poeciliidae	Phalloceros titthos	native
Cyprinodontiformes	Poeciliidae	Phalloceros tupinamba	native
Cyprinodontiformes	Poeciliidae	Phalloceros uai	native
Cyprinodontiformes	Poeciliidae	Phalloptychus eigenmanni	endemic
Cyprinodontiformes	Poeciliidae	Phalloptychus januarius	native
Cyprinodontiformes	Poeciliidae	Phallotorynus fasciolatus	endemic		Barrigudinho
Cyprinodontiformes	Poeciliidae	Phallotorynus jucundus	native		Barrigudinho
Cyprinodontiformes	Poeciliidae	Phallotorynus pankalos	native
Cyprinodontiformes	Poeciliidae	Phallotorynus victoriae	native		Barrigudinho
Characiformes	Characidae	Phenacogaster apletostigma	native
Characiformes	Characidae	Phenacogaster beni	native
Characiformes	Characidae	Phenacogaster calverti	native
Characiformes	Characidae	Phenacogaster franciscoensis	native		Lambari
Characiformes	Characidae	Phenacogaster jancupa	native		Lambari
Characiformes	Characidae	Phenacogaster pectinatus	native
Characiformes	Characidae	Phenacogaster suborbitalis	native
Characiformes	Characidae	Phenacogaster tegatus	native
Siluriformes	Heptapteridae	Phenacorhamdia hoehnei	endemic		Bagrinho
Siluriformes	Heptapteridae	Phenacorhamdia somnians	endemic		Bagrinho
Siluriformes	Heptapteridae	Phenacorhamdia tenebrosa	endemic		Baggrinho
Siluriformes	Heptapteridae	Phenacorhamdia unifasciata	endemic		Bagrinho
Siluriformes	Pimelodidae	Phractocephalus hemioliopterus	native	Redtail catfish	Pirarara
Siluriformes	Heptapteridae	Phreatobius cisternarum	endemic
Siluriformes	Heptapteridae	Phreatobius dracunculus	native
Siluriformes	Doradidae	Physopyxis ananas	native
Siluriformes	Doradidae	Physopyxis cristata	native
Siluriformes	Doradidae	Physopyxis lyra	native
Characiformes	Characidae	Piabarchus analis	native
Characiformes	Characidae	Piabarchus torrenticola	native
Characiformes	Characidae	Piabina anhembi	native
Characiformes	Characidae	Piabina argentea	native
Characiformes	Characidae	Piabucus dentatus	native		Bongoni
Characiformes	Characidae	Piabucus melanostoma	native
Characiformes	Characidae	Piaractus brachypomus	native	Pirapitinga	Caranha
Characiformes	Characidae	Piaractus mesopotamicus	native	Pacu	Pacu caranha
Siluriformes	Heptapteridae	Pimelodella australis	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella avanhandavae	endemic		Mandi
Siluriformes	Heptapteridae	Pimelodella boschmai	endemic		Mandi
Siluriformes	Heptapteridae	Pimelodella brasiliensis	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella breviceps	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella dorseyi	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella eigenmanni	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella eigenmanniorum	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella enochi	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella gracilis	native	Graceful pimelodella	Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella harttii	endemic
Siluriformes	Heptapteridae	Pimelodella hasemani	native		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella itapicuruensis	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella kronei	endemic		Ceguinho
Siluriformes	Heptapteridae	Pimelodella lateristriga	endemic		Mandi
Siluriformes	Heptapteridae	Pimelodella laurenti	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella meeki	endemic		Mandi
Siluriformes	Heptapteridae	Pimelodella megalura	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella notomelas	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella pappenheimi	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella parnahybae	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella pectinifer	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella rudolphi	endemic		Mandi
Siluriformes	Heptapteridae	Pimelodella spelaea	native
Siluriformes	Heptapteridae	Pimelodella steindachneri	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella taeniophora	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella taenioptera	endemic		Mandi-chorão
Siluriformes	Heptapteridae	Pimelodella transitoria	endemic		Mandi
Siluriformes	Heptapteridae	Pimelodella vittata	endemic		Choralambre
Siluriformes	Heptapteridae	Pimelodella witmeri	endemic		Mandi-chorão
Siluriformes	Pimelodidae	Pimelodina flavipinnis	native		Mandi moela
Siluriformes	Pimelodidae	Pimelodus absconditus	questionable
Siluriformes	Pimelodidae	Pimelodus albofasciatus	native
Siluriformes	Pimelodidae	Pimelodus altissimus	native
Siluriformes	Pimelodidae	Pimelodus atrobrunneus	native
Siluriformes	Pimelodidae	Pimelodus blochii	native	Bloch's catfish	Mandi
Siluriformes	Pimelodidae	Pimelodus britskii	native
Siluriformes	Pimelodidae	Pimelodus fur	native
Siluriformes	Pimelodidae	Pimelodus halisodous	native
Siluriformes	Pimelodidae	Pimelodus heraldoi	endemic
Siluriformes	Pimelodidae	Pimelodus joannis	native
Siluriformes	Pimelodidae	Pimelodus maculatus	native		Mandi
Siluriformes	Pimelodidae	Pimelodus microstoma	native
Siluriformes	Pimelodidae	Pimelodus mysteriosus	native
Siluriformes	Pimelodidae	Pimelodus ornatus	native		Mandi
Siluriformes	Pimelodidae	Pimelodus ortmanni	native
Siluriformes	Pimelodidae	Pimelodus pantaneiro	native
Siluriformes	Pimelodidae	Pimelodus paranaensis	native
Siluriformes	Pimelodidae	Pimelodus pictus	native	Pictus cat
Siluriformes	Pimelodidae	Pimelodus platicirris	native
Siluriformes	Pimelodidae	Pimelodus pohli	native
Siluriformes	Pimelodidae	Pimelodus stewarti	native
Siluriformes	Pimelodidae	Pimelodus tetramerus	native
Siluriformes	Pimelodidae	Pinirampus pirinampu	native	Flatwhiskered catfish	Pinarambu
Cyprinodontiformes	Rivulidae	Pituna brevirostrata	endemic
Cyprinodontiformes	Rivulidae	Pituna compacta	endemic
Cyprinodontiformes	Rivulidae	Pituna obliquoseriata	endemic
Cyprinodontiformes	Rivulidae	Pituna poranga	endemic
Cyprinodontiformes	Rivulidae	Pituna schindleri	endemic
Cyprinodontiformes	Rivulidae	Pituna xinguensis	endemic
Perciformes	Sciaenidae	Plagioscion auratus	native	Black curbinata	Pescada preta
Perciformes	Sciaenidae	Plagioscion montei	native		Corvina
Perciformes	Sciaenidae	Plagioscion squamosissimus	native	South American silver croaker	Pescada branca
Perciformes	Sciaenidae	Plagioscion surinamensis	native	Pacora	Pescada-cacunda
Perciformes	Sciaenidae	Plagioscion ternetzi	native	Freshwater croaker
Characiformes	Characidae	Planaltina britskii	native
Characiformes	Characidae	Planaltina glandipedis	native
Characiformes	Characidae	Planaltina myersi	native
Siluriformes	Loricariidae	Planiloricaria cryptodon	native
Clupeiformes	Clupeidae	Platanichthys platana	native	River Plate sprat
Siluriformes	Doradidae	Platydoras armatulus	native	Southern striped raphael	Botoado
Siluriformes	Doradidae	Platydoras brachylecis	native		Graviola
Siluriformes	Doradidae	Platydoras costatus	native	Raphael catfish	Roque roque
Siluriformes	Pimelodidae	Platynematichthys notatus	native	Coroatá
Siluriformes	Pimelodidae	Platysilurus mucosus	native
Siluriformes	Aspredinidae	Platystacus cotylephorus	native	Banded banjo	Rabeca
Siluriformes	Pimelodidae	Platystomatichthys sturio	native
Gymnotiformes	Apteronotidae	Platyurosternarchus macrostomus	native
Siluriformes	Trichomycteridae	Plectrochilus diabolicus	native
Siluriformes	Trichomycteridae	Plectrochilus machadoi	native
Cyprinodontiformes	Rivulidae	Plesiolebias altamira	endemic
Cyprinodontiformes	Rivulidae	Plesiolebias aruana	endemic
Cyprinodontiformes	Rivulidae	Plesiolebias canabravensis	endemic
Cyprinodontiformes	Rivulidae	Plesiolebias filamentosus	native
Cyprinodontiformes	Rivulidae	Plesiolebias fragilis	endemic
Cyprinodontiformes	Rivulidae	Plesiolebias glaucopterus	endemic
Cyprinodontiformes	Rivulidae	Plesiolebias lacerdai	endemic
Cyprinodontiformes	Rivulidae	Plesiolebias xavantei	endemic
Rajiformes	Potamotrygonidae	Plesiotrygon iwamae	native	Long-tailed river stingray	Raia
Cyprinodontiformes	Poeciliidae	Poecilia amazonica	endemic
Cyprinodontiformes	Poeciliidae	Poecilia reticulata	native	Guppy	Mexicano
Cyprinodontiformes	Poeciliidae	Poecilia vivipara	native		Guaru
Characiformes	Crenuchidae	Poecilocharax weitzmani	native	Black morpho tetra
Siluriformes	Loricariidae	Pogonopoma obscurum	native
Siluriformes	Loricariidae	Pogonopoma parahybae	native
Siluriformes	Loricariidae	Pogonopoma wertheimeri	native
Perciformes	Polycentridae	Polycentrus schomburgkii	native	Guyana leaffish
Characiformes	Characidae	Poptella brevispina	native		Piaba
Characiformes	Characidae	Poptella compressa	native
Characiformes	Characidae	Poptella longipinnis	native
Characiformes	Characidae	Poptella paraguayensis	native
Gymnotiformes	Apteronotidae	Porotergus gimbeli	native
Gymnotiformes	Apteronotidae	Porotergus gymnotus	native		Itoui
Siluriformes	Ariidae	Potamarius grandoculis	native
Batrachoidiformes	Batrachoididae	Potamobatrachus trispinosus	native
Characiformes	Curimatidae	Potamorhina altamazonica	native		Branquinha cabeça lisa
Characiformes	Curimatidae	Potamorhina latior	native		Branquinha comum
Characiformes	Curimatidae	Potamorhina pristigaster	native
Characiformes	Curimatidae	Potamorhina squamoralevis	native
Beloniformes	Belonidae	Potamorrhaphis eigenmanni	native
Beloniformes	Belonidae	Potamorrhaphis guianensis	native		Pirapucu
Beloniformes	Belonidae	Potamorrhaphis petersi	native
Rajiformes	Potamotrygonidae	Potamotrygon brachyura	native	Short-tailed river stingray	Arraia
Rajiformes	Potamotrygonidae	Potamotrygon castexi	native	Vermiculate river stingray	Arraia
Rajiformes	Potamotrygonidae	Potamotrygon constellata	native	Thorny river stingray	Arraia
Rajiformes	Potamotrygonidae	Potamotrygon falkneri	native	Largespot river stingray	Raia
Rajiformes	Potamotrygonidae	Potamotrygon henlei	native	Bigtooth river stingray	Arraia de fogo
Rajiformes	Potamotrygonidae	Potamotrygon hystrix	native	Porcupine river stingray	Raia
Rajiformes	Potamotrygonidae	Potamotrygon leopoldi	endemic	White-blotched river stingray	Raia
Rajiformes	Potamotrygonidae	Potamotrygon motoro	native	Ocellate river stingray	Arraia de fogo
Rajiformes	Potamotrygonidae	Potamotrygon ocellata	native	Red-blotched river stingray	Raia
Rajiformes	Potamotrygonidae	Potamotrygon orbignyi	native	Smooth back river stingray	Arraia
Rajiformes	Potamotrygonidae	Potamotrygon schroederi	native	Rosette river stingray	Raia
Rajiformes	Potamotrygonidae	Potamotrygon scobina	native	Raspy river stingray	Arraia
Rajiformes	Potamotrygonidae	Potamotrygon signata	native	Parnaiba river stingray	Arraia
Characiformes	Characidae	Prionobrama filigera	native	Glass bloodfin
Characiformes	Characidae	Prionobrama paraguayensis	native
Characiformes	Characidae	Pristella maxillaris	native	X-ray tetra
Clupeiformes	Pristigasteridae	Pristigaster cayana	native	Amazon hatchet herring	Apapá-verdadeiro
Clupeiformes	Pristigasteridae	Pristigaster whiteheadi	native
Pristiformes	Pristidae	Pristis pectinata	native	Smalltooth sawfish	Cação serra
Pristiformes	Pristidae	Pristis perotteti	native	Large-tooth sawfish	Araguaguá
Characiformes	Characidae	Pristobrycon aureus	native		Piranha
Characiformes	Characidae	Pristobrycon calmoni	native		Piranha
Characiformes	Characidae	Pristobrycon striolatus	native		Piranha
Characiformes	Characidae	Probolodus heterostomus	native		Mimic scale-eating tetra
Characiformes	Prochilodontidae	Prochilodus argenteus	native		Curimatá
Characiformes	Prochilodontidae	Prochilodus brevis	endemic	Brazilian bocachico	Curimatá-comun
Characiformes	Prochilodontidae	Prochilodus britskii	endemic
Characiformes	Prochilodontidae	Prochilodus costatus	native		Curimatá-piao
Characiformes	Prochilodontidae	Prochilodus hartii	native		Curimatã
Characiformes	Prochilodontidae	Prochilodus lacustris	native		Curimatã
Characiformes	Prochilodontidae	Prochilodus lineatus	native	Streaked prochilod	Curimba
Characiformes	Prochilodontidae	Prochilodus nigricans	native	Black prochilodus	Corimatá
Characiformes	Prochilodontidae	Prochilodus rubrotaeniatus	native		Curimatá
Characiformes	Prochilodontidae	Prochilodus vimboides	endemic		Corimbatá
Characiformes	Characidae	Prodontocharax alleni	native
Characiformes	Characidae	Prodontocharax melanotus	native
Siluriformes	Loricariidae	Proloricaria prolixa	native
Siluriformes	Pimelodidae	Propimelodus araguayae	native
Siluriformes	Pimelodidae	Propimelodus eigenmanni	native
Cyprinodontiformes	Rivulidae	Prorivulus auriferus	native
Characiformes	Characidae	Psalidodon gymnodontus	endemic		Lambari
Characiformes	Curimatidae	Psectrogaster amazonica	native		Cascudinha
Characiformes	Curimatidae	Psectrogaster ciliata	native		Beiru
Characiformes	Curimatidae	Psectrogaster curviventris	native
Characiformes	Curimatidae	Psectrogaster essequibensis	native
Characiformes	Curimatidae	Psectrogaster falcata	native
Characiformes	Curimatidae	Psectrogaster rhomboides	native
Characiformes	Curimatidae	Psectrogaster rutiloides	native		Branquinha cascuda
Characiformes	Curimatidae	Psectrogaster saguiru	native
Characiformes	Characidae	Psellogrammus kennedyi	native		Lambari
Siluriformes	Loricariidae	Pseudacanthicus histrix	native		Uacari-guassú
Siluriformes	Loricariidae	Pseudacanthicus spinosus	endemic		Acari
Siluriformes	Loricariidae	Pseudancistrus genisetiger	native
Siluriformes	Loricariidae	Pseudancistrus luderwaldti	native
Siluriformes	Loricariidae	Pseudancistrus papariae	endemic
Characiformes	Anostomidae	Pseudanos gracilis	native
Characiformes	Anostomidae	Pseudanos trimaculatus	native	Threespot headstander
Characiformes	Anostomidae	Pseudanos winterbottomi	native
Siluriformes	Auchenipteridae	Pseudauchenipterus affinis	native
Siluriformes	Auchenipteridae	Pseudauchenipterus flavescens	native
Siluriformes	Auchenipteridae	Pseudauchenipterus jequitinhonhae	native
Siluriformes	Auchenipteridae	Pseudauchenipterus nodosus	native	Cocosoda catfish	Carataí
Siluriformes	Auchenipteridae	Pseudepapterus cucuhyensis	native
Siluriformes	Auchenipteridae	Pseudepapterus hasemani	native
Characiformes	Characidae	Pseudocorynopoma doriae	native	Dragonfin tetra	Lambari-bandeira
Characiformes	Characidae	Pseudocorynopoma heterandria	native
Siluriformes	Loricariidae	Pseudohemiodon amazonum	native
Siluriformes	Loricariidae	Pseudohemiodon platycephalus	native
Siluriformes	Loricariidae	Pseudoloricaria laeviuscula	native
Syngnathiformes	Syngnathidae	Pseudophallus mindii	native		Peixe-cachimbo
Siluriformes	Pseudopimelodidae	Pseudopimelodus bufonius	native		Bagre sapo
Siluriformes	Pseudopimelodidae	Pseudopimelodus charus	endemic		Peixe-sapo
Siluriformes	Pseudopimelodidae	Pseudopimelodus mangurus	native		Piracururu
Siluriformes	Pseudopimelodidae	Pseudopimelodus pulcher	native
Siluriformes	Pimelodidae	Pseudoplatystoma corruscans	native	Spotted sorubim	Surubim
Siluriformes	Pimelodidae	Pseudoplatystoma fasciatum	native	Barred sorubim	Pintado
Siluriformes	Pimelodidae	Pseudoplatystoma tigrinum	native	Tiger sorubim	Capari
Siluriformes	Loricariidae	Pseudorinelepis genibarbis	native
Siluriformes	Trichomycteridae	Pseudostegophilus nemurus	native
Siluriformes	Auchenipteridae	Pseudotatia parva	native
Siluriformes	Loricariidae	Pseudotocinclus juquiae	native
Siluriformes	Loricariidae	Pseudotocinclus parahybae	native
Siluriformes	Loricariidae	Pseudotocinclus tietensis	endemic
Siluriformes	Loricariidae	Pseudotothyris janeirensis	native
Siluriformes	Loricariidae	Pseudotothyris obtusa	native
Beloniformes	Belonidae	Pseudotylosurus angusticeps	native
Beloniformes	Belonidae	Pseudotylosurus microps	native
Clupeiformes	Engraulidae	Pterengraulis atherinoides	native	Wingfin anchovy	Sardinha
Siluriformes	Aspredinidae	Pterobunocephalus depressus	native
Siluriformes	Aspredinidae	Pterobunocephalus dolichurus	native
Siluriformes	Doradidae	Pterodoras granulosus	native	Granulated catfish	Abotoado
Cyprinodontiformes	Rivulidae	Pterolebias longipinnis	native	Longfin killie
Cyprinodontiformes	Rivulidae	Pterolebias phasianus	native
Perciformes	Cichlidae	Pterophyllum leopoldi	native
Perciformes	Cichlidae	Pterophyllum scalare	native	Freshwater angelfish	Cara bandeira
Siluriformes	Loricariidae	Pterygoplichthys anisitsi	native	Snow pleco	Cascudo
Siluriformes	Loricariidae	Pterygoplichthys barbatus	native
Siluriformes	Loricariidae	Pterygoplichthys disjunctivus	native	Vermiculated sailfin catfish
Siluriformes	Loricariidae	Pterygoplichthys etentaculatus	native		Cascudo
Siluriformes	Loricariidae	Pterygoplichthys gibbiceps	native	Leopard pleco
Siluriformes	Loricariidae	Pterygoplichthys joselimaianus	native		Acari bodó
Siluriformes	Loricariidae	Pterygoplichthys lituratus	native
Siluriformes	Loricariidae	Pterygoplichthys pardalis	native	Amazon sailfin catfish	Acari bodó bodó
Siluriformes	Loricariidae	Pterygoplichthys parnaibae	native
Siluriformes	Loricariidae	Pterygoplichthys punctatus	native	Corroncho
Siluriformes	Trichomycteridae	Pygidianops eigenmanni	native
Characiformes	Characidae	Pygocentrus nattereri	native	Red piranha	Piranha vermelha
Characiformes	Characidae	Pygocentrus piraya	endemic	San Francisco piranha	Piranha
Characiformes	Characidae	Pygopristis denticulata	native	Lobetoothed piranha	Piranha
Characiformes	Lebiasinidae	Pyrrhulina australis	native
Characiformes	Lebiasinidae	Pyrrhulina beni	native
Characiformes	Lebiasinidae	Pyrrhulina brevis	native
Characiformes	Lebiasinidae	Pyrrhulina elongata	native
Characiformes	Lebiasinidae	Pyrrhulina filamentosa	native		Pirá-tan-tan
Characiformes	Lebiasinidae	Pyrrhulina laeta	questionable	Halfbanded pyrrhulina
Characiformes	Lebiasinidae	Pyrrhulina maxima	native
Characiformes	Lebiasinidae	Pyrrhulina melanostoma	native	Blackmouth pyrrhulina
Characiformes	Lebiasinidae	Pyrrhulina rachoviana	native	Fanning pyrrhulina
Characiformes	Lebiasinidae	Pyrrhulina semifasciata	native
Characiformes	Lebiasinidae	Pyrrhulina vittata	native	Banded pyrrhulina
Characiformes	Lebiasinidae	Pyrrhulina zigzag	native
Siluriformes	Loricariidae	Pyxiloricaria menezesi	native
Characiformes	Characidae	Rachoviscus crassiceps	native
Characiformes	Characidae	Rachoviscus graciliceps	native
Siluriformes	Loricariidae	Reganella depressa	native
Perciformes	Cichlidae	Retroculus lapidifer	endemic
Perciformes	Cichlidae	Retroculus septentrionalis	native		Cara bicudo
Perciformes	Cichlidae	Retroculus xinguensis	endemic
Gymnotiformes	Sternopygidae	Rhabdolichops caviceps	native
Gymnotiformes	Sternopygidae	Rhabdolichops eastwardi	native
Gymnotiformes	Sternopygidae	Rhabdolichops electrogrammus	native
Gymnotiformes	Sternopygidae	Rhabdolichops lundbergi	native
Gymnotiformes	Sternopygidae	Rhabdolichops navalha	native
Gymnotiformes	Sternopygidae	Rhabdolichops nigrimans	native
Gymnotiformes	Sternopygidae	Rhabdolichops stewarti	native
Gymnotiformes	Sternopygidae	Rhabdolichops troscheli	native
Siluriformes	Heptapteridae	Rhamdella eriarcha	endemic		Mandi
Siluriformes	Heptapteridae	Rhamdella exsudans	endemic
Siluriformes	Heptapteridae	Rhamdella ignobilis	endemic
Siluriformes	Heptapteridae	Rhamdella jenynsii	native
Siluriformes	Heptapteridae	Rhamdella longipinnis	endemic		Mandi
Siluriformes	Heptapteridae	Rhamdella longiuscula	endemic		Mandi
Siluriformes	Heptapteridae	Rhamdella papariae	native		Mandi
Siluriformes	Heptapteridae	Rhamdella robinsoni	endemic		Mandi chorão
Siluriformes	Heptapteridae	Rhamdella wolfi	endemic		Mandi
Siluriformes	Heptapteridae	Rhamdia enfurnada	native
Siluriformes	Heptapteridae	Rhamdia foina	native
Siluriformes	Heptapteridae	Rhamdia itacaiunas	endemic
Siluriformes	Heptapteridae	Rhamdia jequitinhonha	endemic
Siluriformes	Heptapteridae	Rhamdia laukidi	native
Siluriformes	Heptapteridae	Rhamdia muelleri	native
Siluriformes	Heptapteridae	Rhamdia poeyi	native
Siluriformes	Heptapteridae	Rhamdia quelen	native		Jandia
Siluriformes	Heptapteridae	Rhamdia schomburgkii	native
Siluriformes	Heptapteridae	Rhamdioglanis frenatus	endemic		Mandi
Siluriformes	Heptapteridae	Rhamdioglanis transfasciatus	endemic		Bagre
Siluriformes	Heptapteridae	Rhamdiopsis microcephala	endemic		Bagre
Siluriformes	Heptapteridae	Rhamdiopsis moreirai	endemic		Bagre
Gymnotiformes	Rhamphichthyidae	Rhamphichthys atlanticus	native
Gymnotiformes	Rhamphichthyidae	Rhamphichthys drepanium	native
Gymnotiformes	Rhamphichthyidae	Rhamphichthys hahni	questionable
Gymnotiformes	Rhamphichthyidae	Rhamphichthys longior	native
Gymnotiformes	Rhamphichthyidae	Rhamphichthys marmoratus	native
Gymnotiformes	Rhamphichthyidae	Rhamphichthys rostratus	native		Itui-terçado
Characiformes	Cynodontidae	Rhaphiodon vulpinus	native	Biara	Dentudo
Siluriformes	Loricariidae	Rhinelepis aspera	native		Cascudo-preto
Siluriformes	Loricariidae	Rhinelepis strigosa	native		Cascudo-preto
Characiformes	Characidae	Rhinobrycon negrensis	native
Siluriformes	Doradidae	Rhinodoras dorbignyi	native		Botoado
Characiformes	Characidae	Rhinopetitia myersi	native
Clupeiformes	Clupeidae	Rhinosardinia amazonica	native	Amazon spinejaw sprat	Sardinha de serra
Clupeiformes	Clupeidae	Rhinosardinia bahiensis	native	Bahia sprat	Sardinha
Siluriformes	Doradidae	Rhynchodoras woodsi	misidentification
Siluriformes	Doradidae	Rhynchodoras xingui	native
Characiformes	Anostomidae	Rhytiodus argenteofuscus	native		Araçu
Characiformes	Anostomidae	Rhytiodus elongatus	native
Characiformes	Anostomidae	Rhytiodus microlepis	native
Siluriformes	Loricariidae	Rineloricaria aequalicuspis	native
Siluriformes	Loricariidae	Rineloricaria anhaguapitan	native
Siluriformes	Loricariidae	Rineloricaria anitae	native
Siluriformes	Loricariidae	Rineloricaria baliola	native
Siluriformes	Loricariidae	Rineloricaria cacerensis	native
Siluriformes	Loricariidae	Rineloricaria cadeae	endemic
Siluriformes	Loricariidae	Rineloricaria capitonia	native
Siluriformes	Loricariidae	Rineloricaria castroi	native
Siluriformes	Loricariidae	Rineloricaria cubataonis	native
Siluriformes	Loricariidae	Rineloricaria daraha	native
Siluriformes	Loricariidae	Rineloricaria fallax	native
Siluriformes	Loricariidae	Rineloricaria formosa	native
Siluriformes	Loricariidae	Rineloricaria hasemani	native
Siluriformes	Loricariidae	Rineloricaria henselii	native
Siluriformes	Loricariidae	Rineloricaria heteroptera	native
Siluriformes	Loricariidae	Rineloricaria hoehnei	native
Siluriformes	Loricariidae	Rineloricaria isaaci	native
Siluriformes	Loricariidae	Rineloricaria jaraguensis	native
Siluriformes	Loricariidae	Rineloricaria konopickyi	native
Siluriformes	Loricariidae	Rineloricaria kronei	native
Siluriformes	Loricariidae	Rineloricaria lanceolata	native	Chocolate-colored catfish
Siluriformes	Loricariidae	Rineloricaria langei	native
Siluriformes	Loricariidae	Rineloricaria latirostris	native
Siluriformes	Loricariidae	Rineloricaria lima	native
Siluriformes	Loricariidae	Rineloricaria longicauda	native
Siluriformes	Loricariidae	Rineloricaria maacki	native
Siluriformes	Loricariidae	Rineloricaria malabarbai	native
Siluriformes	Loricariidae	Rineloricaria maquinensis	native
Siluriformes	Loricariidae	Rineloricaria melini	native
Siluriformes	Loricariidae	Rineloricaria microlepidogaster	native
Siluriformes	Loricariidae	Rineloricaria microlepidota	native
Siluriformes	Loricariidae	Rineloricaria nigricauda	native
Siluriformes	Loricariidae	Rineloricaria osvaldoi	native
Siluriformes	Loricariidae	Rineloricaria parva	native
Siluriformes	Loricariidae	Rineloricaria pentamaculata	native
Siluriformes	Loricariidae	Rineloricaria phoxocephala	native
Siluriformes	Loricariidae	Rineloricaria platyura	native
Siluriformes	Loricariidae	Rineloricaria quadrensis	native
Siluriformes	Loricariidae	Rineloricaria reisi	native
Siluriformes	Loricariidae	Rineloricaria sanga	native
Siluriformes	Loricariidae	Rineloricaria setepovos	native
Siluriformes	Loricariidae	Rineloricaria steindachneri	native
Siluriformes	Loricariidae	Rineloricaria stellata	native
Siluriformes	Loricariidae	Rineloricaria strigilata	endemic
Siluriformes	Loricariidae	Rineloricaria teffeana	native
Siluriformes	Loricariidae	Rineloricaria tropeira	native
Siluriformes	Loricariidae	Rineloricaria zaina	native
Cyprinodontiformes	Rivulidae	Rivulus amanan	native
Cyprinodontiformes	Rivulidae	Rivulus amanapira	native
Cyprinodontiformes	Rivulidae	Rivulus apiamici	endemic
Cyprinodontiformes	Rivulidae	Rivulus atratus	native
Cyprinodontiformes	Rivulidae	Rivulus bahianus	endemic
Cyprinodontiformes	Rivulidae	Rivulus beniensis	native
Cyprinodontiformes	Rivulidae	Rivulus bororo	native
Cyprinodontiformes	Rivulidae	Rivulus crixas	native
Cyprinodontiformes	Rivulidae	Rivulus cyanopterus	native
Cyprinodontiformes	Rivulidae	Rivulus dapazi	native
Cyprinodontiformes	Rivulidae	Rivulus decoratus	endemic
Cyprinodontiformes	Rivulidae	Rivulus depressus	endemic
Cyprinodontiformes	Rivulidae	Rivulus dibaphus	endemic
Cyprinodontiformes	Rivulidae	Rivulus egens	native
Cyprinodontiformes	Rivulidae	Rivulus faucireticulatus	native
Cyprinodontiformes	Rivulidae	Rivulus formosensis	native
Cyprinodontiformes	Rivulidae	Rivulus geayi	native
Cyprinodontiformes	Rivulidae	Rivulus giarettai	native
Cyprinodontiformes	Rivulidae	Rivulus haraldsiolii	endemic
Cyprinodontiformes	Rivulidae	Rivulus igneus	native
Cyprinodontiformes	Rivulidae	Rivulus illuminatus	native
Cyprinodontiformes	Rivulidae	Rivulus janeiroensis	endemic
Cyprinodontiformes	Rivulidae	Rivulus javahe	native
Cyprinodontiformes	Rivulidae	Rivulus jurubatibensis	native
Cyprinodontiformes	Rivulidae	Rivulus karaja	native
Cyprinodontiformes	Rivulidae	Rivulus kayabi	native
Cyprinodontiformes	Rivulidae	Rivulus kayapo	native
Cyprinodontiformes	Rivulidae	Rivulus kirovskyi	native
Cyprinodontiformes	Rivulidae	Rivulus lazzarotoi	native
Cyprinodontiformes	Rivulidae	Rivulus limoncochae	native
Cyprinodontiformes	Rivulidae	Rivulus litteratus	native
Cyprinodontiformes	Rivulidae	Rivulus luelingi	endemic
Cyprinodontiformes	Rivulidae	Rivulus marmoratus	native	Mangrove rivulus
Cyprinodontiformes	Rivulidae	Rivulus micropus	endemic
Cyprinodontiformes	Rivulidae	Rivulus modestus	endemic
Cyprinodontiformes	Rivulidae	Rivulus nudiventris	endemic
Cyprinodontiformes	Rivulidae	Rivulus obscurus	endemic
Cyprinodontiformes	Rivulidae	Rivulus ornatus	native
Cyprinodontiformes	Rivulidae	Rivulus paracatuensis	native
Cyprinodontiformes	Rivulidae	Rivulus paresi	native
Cyprinodontiformes	Rivulidae	Rivulus parnaibensis	native
Cyprinodontiformes	Rivulidae	Rivulus pictus	endemic
Cyprinodontiformes	Rivulidae	Rivulus pinima	endemic
Cyprinodontiformes	Rivulidae	Rivulus planaltinus	native
Cyprinodontiformes	Rivulidae	Rivulus punctatus	native
Cyprinodontiformes	Rivulidae	Rivulus romeri	native
Cyprinodontiformes	Rivulidae	Rivulus rossoi	native
Cyprinodontiformes	Rivulidae	Rivulus rubromarginatus	native
Cyprinodontiformes	Rivulidae	Rivulus rutilicaudus	native
Cyprinodontiformes	Rivulidae	Rivulus salmonicaudus	native
Cyprinodontiformes	Rivulidae	Rivulus santensis	endemic
Cyprinodontiformes	Rivulidae	Rivulus scalaris	native
Cyprinodontiformes	Rivulidae	Rivulus simplicis	native
Cyprinodontiformes	Rivulidae	Rivulus strigatus	native
Cyprinodontiformes	Rivulidae	Rivulus uakti	native
Cyprinodontiformes	Rivulidae	Rivulus uatuman	native
Cyprinodontiformes	Rivulidae	Rivulus urophthalmus	endemic
Cyprinodontiformes	Rivulidae	Rivulus violaceus	endemic
Cyprinodontiformes	Rivulidae	Rivulus vittatus	endemic
Cyprinodontiformes	Rivulidae	Rivulus xanthonotus	endemic
Cyprinodontiformes	Rivulidae	Rivulus xiphidius	native
Cyprinodontiformes	Rivulidae	Rivulus zygonectes	endemic
Characiformes	Characidae	Roeboexodon geryi	native
Characiformes	Characidae	Roeboexodon guyanensis	native
Characiformes	Characidae	Roeboides affinis	native		Cacunda
Characiformes	Characidae	Roeboides biserialis	native
Characiformes	Characidae	Roeboides descalvadensis	native
Characiformes	Characidae	Roeboides dispar	native		Madalena
Characiformes	Characidae	Roeboides margareteae	native
Characiformes	Characidae	Roeboides microlepis	native		Cacunda
Characiformes	Characidae	Roeboides myersii	native		Madalena
Characiformes	Characidae	Roeboides oligistos	native
Characiformes	Characidae	Roeboides paranensis	native	Parana scale-eating characin	Dentudo
Characiformes	Characidae	Roeboides prognathus	native		Mato Grosso scale-eating characin
Characiformes	Characidae	Roeboides sazimai	native
Characiformes	Characidae	Roeboides xenodon	native
Characiformes	Cynodontidae	Roestes itupiranga	native
Characiformes	Cynodontidae	Roestes molossus	native
Characiformes	Anostomidae	Schizodon knerii	native
Characiformes	Anostomidae	Schizodon nasutus	native		Taguara
Characiformes	Anostomidae	Schizodon rostratus	native
Characiformes	Anostomidae	Schizodon vittatus	native		Araçu comum
Siluriformes	Loricariidae	Schizolecis guntheri	native
Siluriformes	Trichomycteridae	Schultzichthys bondi	native
Siluriformes	Ariidae	Sciades couma	native	Couma sea catfish	Bagre
Siluriformes	Ariidae	Sciades herzbergii	native	Pemecou sea catfish	Bagre-juba
Siluriformes	Callichthyidae	Scleromystax barbatus	native	Banded corydoras	Sarro
Siluriformes	Callichthyidae	Scleromystax macropterus	native	Sailfin corydoras
Siluriformes	Callichthyidae	Scleromystax prionotos	native
Siluriformes	Callichthyidae	Scleromystax salmacis	native
Siluriformes	Trichomycteridae	Scleronema minutum	native
Siluriformes	Trichomycteridae	Scleronema operculatum	native
Siluriformes	Loricariidae	Scobinancistrus aureatus	endemic		Acari-da-pedra
Siluriformes	Loricariidae	Scobinancistrus pariolispos	native		Acari-da-pedra
Siluriformes	Scoloplacidae	Scoloplax baskini	native
Siluriformes	Scoloplacidae	Scoloplax dicra	native
Siluriformes	Scoloplacidae	Scoloplax distolothrix	native
Siluriformes	Scoloplacidae	Scoloplax dolicholophia	native
Siluriformes	Scoloplacidae	Scoloplax empousa	native	Pantanal dwarf catfish	Pantanal dwarf catfish
Siluriformes	Doradidae	Scorpiodoras heckelii	native
Characiformes	Prochilodontidae	Semaprochilodus brama	native		Jaraqui
Characiformes	Prochilodontidae	Semaprochilodus insignis	native		Jaraqui
Characiformes	Prochilodontidae	Semaprochilodus taeniurus	native	Silver prochilodus	Jaraqui
Characiformes	Characidae	Serrapinnus calliurus	native		Lambari
Characiformes	Characidae	Serrapinnus heterodon	native		Lambari
Characiformes	Characidae	Serrapinnus kriegi	native		Lambari
Characiformes	Characidae	Serrapinnus microdon	native		Lambari
Characiformes	Characidae	Serrapinnus micropterus	native		Lambari
Characiformes	Characidae	Serrapinnus notomelas	native		L:ambari
Characiformes	Characidae	Serrapinnus piaba	native		Lambari
Characiformes	Characidae	Serrasalmo scotopterus	native
Characiformes	Characidae	Serrasalmo undulatus	native
Characiformes	Characidae	Serrasalmus altispinis	native		Piranha
Characiformes	Characidae	Serrasalmus brandtii	endemic	White piranha	Pirambeba
Characiformes	Characidae	Serrasalmus compressus	native		Piranha
Characiformes	Characidae	Serrasalmus eigenmanni	native		Piranha
Characiformes	Characidae	Serrasalmus elongatus	native	Slender piranha	Piranha comprida
Characiformes	Characidae	Serrasalmus geryi	native
Characiformes	Characidae	Serrasalmus gibbus	native		Piranha
Characiformes	Characidae	Serrasalmus gouldingi	native		Piranha
Characiformes	Characidae	Serrasalmus hastatus	native		Piranha
Characiformes	Characidae	Serrasalmus humeralis	native	Pirambeba	Piranha
Characiformes	Characidae	Serrasalmus maculatus	native		Catirina
Characiformes	Characidae	Serrasalmus manueli	native		Piranha
Characiformes	Characidae	Serrasalmus marginatus	native		Catirina
Characiformes	Characidae	Serrasalmus nigricans	native
Characiformes	Characidae	Serrasalmus rhombeus	native	Redeye piranha	Piranha preta
Characiformes	Characidae	Serrasalmus serrulatus	native		Piranha
Characiformes	Characidae	Serrasalmus spilopleura	native	Speckled piranha	Piranha
Cyprinodontiformes	Rivulidae	Simpsonichthys adornatus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys alternatus	endemic
Cyprinodontiformes	Rivulidae	Simpsonichthys antenori	native
Cyprinodontiformes	Rivulidae	Simpsonichthys auratus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys boitonei	endemic	Lyrefin pearlfish	Pira
Cyprinodontiformes	Rivulidae	Simpsonichthys bokermanni	endemic
Cyprinodontiformes	Rivulidae	Simpsonichthys brunoi	endemic
Cyprinodontiformes	Rivulidae	Simpsonichthys carlettoi	native
Cyprinodontiformes	Rivulidae	Simpsonichthys cholopteryx	native
Cyprinodontiformes	Rivulidae	Simpsonichthys constanciae	endemic	Featherfin pearlfish
Cyprinodontiformes	Rivulidae	Simpsonichthys costai	native
Cyprinodontiformes	Rivulidae	Simpsonichthys delucai	native
Cyprinodontiformes	Rivulidae	Simpsonichthys fasciatus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys flagellatus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys flammeus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys flavicaudatus	endemic
Cyprinodontiformes	Rivulidae	Simpsonichthys fulminantis	native
Cyprinodontiformes	Rivulidae	Simpsonichthys ghisolfii	native
Cyprinodontiformes	Rivulidae	Simpsonichthys gibberatus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys hellneri	native
Cyprinodontiformes	Rivulidae	Simpsonichthys ibicuiensis	native
Cyprinodontiformes	Rivulidae	Simpsonichthys igneus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys izecksohni	native
Cyprinodontiformes	Rivulidae	Simpsonichthys janaubensis	native
Cyprinodontiformes	Rivulidae	Simpsonichthys macaubensis	native
Cyprinodontiformes	Rivulidae	Simpsonichthys magnificus	endemic
Cyprinodontiformes	Rivulidae	Simpsonichthys marginatus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys mediopapillatus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys multiradiatus	endemic
Cyprinodontiformes	Rivulidae	Simpsonichthys myersi	native
Cyprinodontiformes	Rivulidae	Simpsonichthys nielseni	native
Cyprinodontiformes	Rivulidae	Simpsonichthys nigromaculatus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys notatus	endemic
Cyprinodontiformes	Rivulidae	Simpsonichthys ocellatus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys parallelus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys perpendicularis	native
Cyprinodontiformes	Rivulidae	Simpsonichthys picturatus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys punctulatus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys radiosus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys reticulatus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys rosaceus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys rufus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys santanae	endemic
Cyprinodontiformes	Rivulidae	Simpsonichthys similis	native
Cyprinodontiformes	Rivulidae	Simpsonichthys stellatus	endemic
Cyprinodontiformes	Rivulidae	Simpsonichthys suzarti	native
Cyprinodontiformes	Rivulidae	Simpsonichthys trilineatus	endemic
Cyprinodontiformes	Rivulidae	Simpsonichthys virgulatus	native
Cyprinodontiformes	Rivulidae	Simpsonichthys zonatus	endemic
Siluriformes	Pimelodidae	Sorubim elongatus	native	Slender shovelnose catfish
Siluriformes	Pimelodidae	Sorubim lima	native	Duckbill catfish	Bico de pato
Siluriformes	Pimelodidae	Sorubim maniradii	native
Siluriformes	Pimelodidae	Sorubim trigonocephalus	native	Arrowhead shovelnose	Arrowhead shovelnose
Siluriformes	Pimelodidae	Sorubimichthys planiceps	native	Firewood catfish	Peixe lenhe
Siluriformes	Loricariidae	Spatuloricaria evansii	native
Siluriformes	Loricariidae	Spatuloricaria nudiventris	native
Siluriformes	Loricariidae	Spectracanthicus murinus	endemic
Cyprinodontiformes	Rivulidae	Spectrolebias semiocellatus	endemic
Characiformes	Characidae	Spintherobolus ankoseion	native		Lambari
Characiformes	Characidae	Spintherobolus broccae	native		Lambari
Characiformes	Characidae	Spintherobolus leptoura	native		Lambari
Characiformes	Characidae	Spintherobolus papilliferus	native		Lambari
Siluriformes	Loricariidae	Squaliforma annae	native
Siluriformes	Loricariidae	Squaliforma biseriata	native
Siluriformes	Loricariidae	Squaliforma emarginata	native		Chicote
Siluriformes	Loricariidae	Squaliforma gomesi	native
Siluriformes	Loricariidae	Squaliforma horrida	native
Siluriformes	Loricariidae	Squaliforma scopularia	endemic
Siluriformes	Loricariidae	Squaliforma squalina	native
Siluriformes	Trichomycteridae	Stauroglanis gouldingi	native	Ghost candiru	Ghost candiru
Gymnotiformes	Hypopomidae	Steatogenys duidae	native
Gymnotiformes	Hypopomidae	Steatogenys elegans	native	Barred knifefish
Gymnotiformes	Hypopomidae	Steatogenys ocellatus	native
Siluriformes	Trichomycteridae	Stegophilus insidiosus	native
Siluriformes	Trichomycteridae	Stegophilus panzeri	native
Gymnotiformes	Hypopomidae	Stegostenopos cryptogenes	native
Siluriformes	Pimelodidae	Steindachneridion amblyurum	endemic
Siluriformes	Pimelodidae	Steindachneridion doceanum	endemic
Siluriformes	Pimelodidae	Steindachneridion melanodermatum	native
Siluriformes	Pimelodidae	Steindachneridion parahybae	endemic
Siluriformes	Pimelodidae	Steindachneridion punctatum	native
Siluriformes	Pimelodidae	Steindachneridion scriptum	native		Bocudo
Characiformes	Curimatidae	Steindachnerina amazonica	native
Characiformes	Curimatidae	Steindachnerina bimaculata	native
Characiformes	Curimatidae	Steindachnerina biornata	native		Biru
Characiformes	Curimatidae	Steindachnerina brevipinna	native		Biru
Characiformes	Curimatidae	Steindachnerina conspersa	native
Characiformes	Curimatidae	Steindachnerina corumbae	native
Characiformes	Curimatidae	Steindachnerina dobula	native
Characiformes	Curimatidae	Steindachnerina elegans	native		Biruba
Characiformes	Curimatidae	Steindachnerina fasciata	native
Characiformes	Curimatidae	Steindachnerina gracilis	native
Characiformes	Curimatidae	Steindachnerina guentheri	native
Characiformes	Curimatidae	Steindachnerina hypostoma	native
Characiformes	Curimatidae	Steindachnerina insculpta	native		Fernete
Characiformes	Curimatidae	Steindachnerina leucisca	native
Characiformes	Curimatidae	Steindachnerina notonota	native		Piabussú
Characiformes	Curimatidae	Steindachnerina planiventris	native
Characiformes	Curimatidae	Steindachnerina quasimodoi	native
Characiformes	Curimatidae	Steindachnerina varii	native
Cyprinodontiformes	Rivulidae	Stenolebias bellus	endemic
Cyprinodontiformes	Rivulidae	Stenolebias damascenoi	endemic
Gymnotiformes	Apteronotidae	Sternarchella curvioperculata	native
Gymnotiformes	Apteronotidae	Sternarchella schotti	native
Gymnotiformes	Apteronotidae	Sternarchella sima	native
Gymnotiformes	Apteronotidae	Sternarchella terminalis	native
Gymnotiformes	Apteronotidae	Sternarchogiton labiatus	native
Gymnotiformes	Apteronotidae	Sternarchogiton nattereri	native
Gymnotiformes	Apteronotidae	Sternarchogiton porcinum	native
Gymnotiformes	Apteronotidae	Sternarchogiton preto	native
Gymnotiformes	Apteronotidae	Sternarchorhamphus muelleri	native
Gymnotiformes	Apteronotidae	Sternarchorhynchus britskii	native
Gymnotiformes	Apteronotidae	Sternarchorhynchus caboclo	native
Gymnotiformes	Apteronotidae	Sternarchorhynchus curumim	native
Gymnotiformes	Apteronotidae	Sternarchorhynchus curvirostris	native
Gymnotiformes	Apteronotidae	Sternarchorhynchus mesensis	native
Gymnotiformes	Apteronotidae	Sternarchorhynchus mormyrus	native
Gymnotiformes	Apteronotidae	Sternarchorhynchus oxyrhynchus	native
Gymnotiformes	Apteronotidae	Sternarchorhynchus roseni	native	Rosen knifefish
Gymnotiformes	Apteronotidae	Sternarchorhynchus severii	native
Gymnotiformes	Sternopygidae	Sternopygus astrabes	native
Gymnotiformes	Sternopygidae	Sternopygus branco	native		Sarapó branco
Gymnotiformes	Sternopygidae	Sternopygus castroi	native
Gymnotiformes	Sternopygidae	Sternopygus macrurus	native	Longtail knifefish	Tuvira
Gymnotiformes	Sternopygidae	Sternopygus obtusirostris	native
Gymnotiformes	Sternopygidae	Sternopygus xingu	native
Siluriformes	Auchenipteridae	Tatia nigra	native
Siluriformes	Auchenipteridae	Tatia simplex	native
Siluriformes	Auchenipteridae	Tatia strigata	native
Siluriformes	Heptapteridae	Taunayia bifasciata	native		Bagre
Perciformes	Cichlidae	Teleocichla centisquama	native	Slender pike cichlid	Slender pike cichlid
Perciformes	Cichlidae	Teleocichla centrarchus	native
Perciformes	Cichlidae	Teleocichla cinderella	native
Perciformes	Cichlidae	Teleocichla gephyrogramma	native
Perciformes	Cichlidae	Teleocichla monogramma	native
Perciformes	Cichlidae	Teleocichla prionogenys	native
Perciformes	Cichlidae	Teleocichla proselytus	native
Gymnotiformes	Apteronotidae	Tembeassu marauna	native
Characiformes	Characidae	Tetragonopterus argenteus	native		Sardinha matupiri
Characiformes	Characidae	Tetragonopterus chalceus	native
Siluriformes	Auchenipteridae	Tetranematichthys quadrifilis	native
Siluriformes	Auchenipteridae	Tetranematichthys wallacei	native
Batrachoidiformes	Batrachoididae	Thalassophryne amazonica	native
Characiformes	Characidae	Thayeria boehlkei	native	Blackline penguinfish
Characiformes	Characidae	Thayeria ifati	misidentification
Characiformes	Characidae	Thayeria obliqua	native	Penguinfish
Characiformes	Gasteropelecidae	Thoracocharax securis	native	Giant hatchetfish
Characiformes	Gasteropelecidae	Thoracocharax stellatus	native	Spotfin hatchetfish
Characiformes	Characidae	Thrissobrycon pectinifer	native
Perciformes	Cichlidae	Tilapia rendalli	introduced	Redbreast tilapia	Tilápia
Siluriformes	Auchenipteridae	Tocantinsia piresi	native
Characiformes	Characidae	Tometes makue	native
Characiformes	Characidae	Tometes trilobatus	native		Pacu
Cyprinodontiformes	Poeciliidae	Tomeurus gracilis	native
Siluriformes	Auchenipteridae	Trachelyopterichthys taeniatus	native	Striped woodcat
Siluriformes	Auchenipteridae	Trachelyopterus analis	native
Siluriformes	Auchenipteridae	Trachelyopterus ceratophysus	native
Siluriformes	Auchenipteridae	Trachelyopterus coriaceus	native
Siluriformes	Auchenipteridae	Trachelyopterus galeatus	native		Jauzinho
Siluriformes	Auchenipteridae	Trachelyopterus lacustris	native
Siluriformes	Auchenipteridae	Trachelyopterus leopardinus	native
Siluriformes	Auchenipteridae	Trachelyopterus lucenai	native
Siluriformes	Auchenipteridae	Trachelyopterus striatulus	native	Singing catfish	Jauzinho
Siluriformes	Auchenipteridae	Trachycorystes cratensis	native
Siluriformes	Auchenipteridae	Trachycorystes porosus	native
Siluriformes	Auchenipteridae	Trachycorystes trachycorystes	native	Black catfish
Siluriformes	Doradidae	Trachydoras brevis	native
Siluriformes	Doradidae	Trachydoras microstomus	native
Siluriformes	Doradidae	Trachydoras nattereri	native
Siluriformes	Doradidae	Trachydoras paraguayensis	native		Rique-rique
Siluriformes	Doradidae	Trachydoras steindachneri	native
Siluriformes	Trichomycteridae	Trichogenes longipinnis	native	Long-finned cambeva	Cambeva-da-cachoeira
Siluriformes	Trichomycteridae	Trichomycterus albinotatus	native
Siluriformes	Trichomycteridae	Trichomycterus alternatus	native
Siluriformes	Trichomycteridae	Trichomycterus auroguttatus	native
Siluriformes	Trichomycteridae	Trichomycterus bahianus	native
Siluriformes	Trichomycteridae	Trichomycterus brasiliensis	native
Siluriformes	Trichomycteridae	Trichomycterus caipora	native
Siluriformes	Trichomycteridae	Trichomycterus candidus	native
Siluriformes	Trichomycteridae	Trichomycterus castroi	native
Siluriformes	Trichomycteridae	Trichomycterus caudofasciatus	native
Siluriformes	Trichomycteridae	Trichomycterus concolor	native
Siluriformes	Trichomycteridae	Trichomycterus crassicaudatus	native
Siluriformes	Trichomycteridae	Trichomycterus cubataonis	native
Siluriformes	Trichomycteridae	Trichomycterus davisi	native
Siluriformes	Trichomycteridae	Trichomycterus diabolus	native
Siluriformes	Trichomycteridae	Trichomycterus florense	native
Siluriformes	Trichomycteridae	Trichomycterus gabrieli	native
Siluriformes	Trichomycteridae	Trichomycterus giganteus	native
Siluriformes	Trichomycteridae	Trichomycterus goeldii	native
Siluriformes	Trichomycteridae	Trichomycterus guaraquessaba	native
Siluriformes	Trichomycteridae	Trichomycterus hasemani	native
Siluriformes	Trichomycteridae	Trichomycterus igobi	native
Siluriformes	Trichomycteridae	Trichomycterus iheringi	native
Siluriformes	Trichomycteridae	Trichomycterus immaculatus	native
Siluriformes	Trichomycteridae	Trichomycterus itacambirussu	native
Siluriformes	Trichomycteridae	Trichomycterus itacarambiensis	endemic
Siluriformes	Trichomycteridae	Trichomycterus itatiayae	native
Siluriformes	Trichomycteridae	Trichomycterus jacupiranga	native
Siluriformes	Trichomycteridae	Trichomycterus jequitinhonhae	native
Siluriformes	Trichomycteridae	Trichomycterus johnsoni	native
Siluriformes	Trichomycteridae	Trichomycterus landinga	native
Siluriformes	Trichomycteridae	Trichomycterus longibarbatus	native
Siluriformes	Trichomycteridae	Trichomycterus maracaya	native	Margay pencil catfish	Margay pencil catfish
Siluriformes	Trichomycteridae	Trichomycterus mboycy	native
Siluriformes	Trichomycteridae	Trichomycterus mimonha	native
Siluriformes	Trichomycteridae	Trichomycterus mirissumba	native
Siluriformes	Trichomycteridae	Trichomycterus naipi	native
Siluriformes	Trichomycteridae	Trichomycterus nigricans	native
Siluriformes	Trichomycteridae	Trichomycterus pantherinus	native
Siluriformes	Trichomycteridae	Trichomycterus paolence	native
Siluriformes	Trichomycteridae	Trichomycterus papilliferus	native
Siluriformes	Trichomycteridae	Trichomycterus paquequerense	native
Siluriformes	Trichomycteridae	Trichomycterus pauciradiatus	native
Siluriformes	Trichomycteridae	Trichomycterus plumbeus	native
Siluriformes	Trichomycteridae	Trichomycterus potschi	native
Siluriformes	Trichomycteridae	Trichomycterus pradensis	native
Siluriformes	Trichomycteridae	Trichomycterus punctatissimus	native
Siluriformes	Trichomycteridae	Trichomycterus reinhardti	native
Siluriformes	Trichomycteridae	Trichomycterus rivulatus	native
Siluriformes	Trichomycteridae	Trichomycterus santaeritae	native
Siluriformes	Trichomycteridae	Trichomycterus stawiarski	native
Siluriformes	Trichomycteridae	Trichomycterus taroba	native
Siluriformes	Trichomycteridae	Trichomycterus travassosi	native
Siluriformes	Trichomycteridae	Trichomycterus trefauti	endemic
Siluriformes	Trichomycteridae	Trichomycterus triguttatus	native
Siluriformes	Trichomycteridae	Trichomycterus tupinamba	native
Siluriformes	Trichomycteridae	Trichomycterus variegatus	native
Siluriformes	Trichomycteridae	Trichomycterus vermiculatus	native
Siluriformes	Trichomycteridae	Trichomycterus zonatus	native
Siluriformes	Trichomycteridae	Tridens melanops	native
Siluriformes	Trichomycteridae	Tridensimilis brevis	native
Siluriformes	Trichomycteridae	Tridentopsis cahuali	native
Siluriformes	Trichomycteridae	Tridentopsis tocantinsi	native
Cyprinodontiformes	Rivulidae	Trigonectes balzanii	native
Cyprinodontiformes	Rivulidae	Trigonectes macrophthalmus	native
Cyprinodontiformes	Rivulidae	Trigonectes rubromarginatus	endemic
Cyprinodontiformes	Rivulidae	Trigonectes strigabundus	endemic
Characiformes	Characidae	Triportheus albus	native
Characiformes	Characidae	Triportheus angulatus	native		Sardinha
Characiformes	Characidae	Triportheus auritus	native
Characiformes	Characidae	Triportheus brachipomus	native
Characiformes	Characidae	Triportheus culter	native
Characiformes	Characidae	Triportheus curtus	native
Characiformes	Characidae	Triportheus elongatus	native	Elongate hatchetfish
Characiformes	Characidae	Triportheus guentheri	native
Characiformes	Characidae	Triportheus nematurus	native
Characiformes	Characidae	Triportheus pantanensis	native
Characiformes	Characidae	Triportheus paranensis	native	Tetra
Characiformes	Characidae	Triportheus pictus	native
Characiformes	Characidae	Triportheus rotundatus	native		Sardinha
Characiformes	Characidae	Triportheus signatus	native		Sardela
Characiformes	Characidae	Triportheus trifurcatus	native
Characiformes	Characidae	Tucanoichthys tucano	native
Siluriformes	Trichomycteridae	Typhlobelus macromycterus	native
Siluriformes	Trichomycteridae	Typhlobelus ternetzi	native
Characiformes	Characidae	Tyttobrycon xeruini	native
Characiformes	Characidae	Tyttocharax cochui	native
Characiformes	Characidae	Tyttocharax madeirae	native	Blackedge tetra
Perciformes	Cichlidae	Uaru amphiacanthoides	native	Uaru	Bararuá
Characiformes	Characidae	Utiaritichthys longidorsalis	native
Characiformes	Characidae	Utiaritichthys sennaebragai	native		Pacu
Siluriformes	Trichomycteridae	Vandellia cirrhosa	native	Candiru	Candiru
Siluriformes	Trichomycteridae	Vandellia sanguinea	native
Siluriformes	Doradidae	Wertheimeria maculata	native
Tetraodontiformes	Balistidae	Xanthichthys ringens	native	Sargassum triggerfish	Cangulo rei
Characiformes	Characidae	Xenurobrycon coracoralinae	native
Characiformes	Characidae	Xenurobrycon macropus	native
Characiformes	Characidae	Xenurobrycon pteropus	native
Siluriformes	Pimelodidae	Zungaro jahu	native		Jau
Siluriformes	Pimelodidae	Zungaro zungaro	native	Gilded catfish	Pacamao
Siluriformes	Pimelodidae	Zungaropsis multimaculatus	native