All links below take you to pages on the fishbase.org site. To return to mongabay use one of the following links: Mongabay.com | Tropical Freshwater Fish | Biotope aquaria | Country Index All Content Below is Copyright Fishbase.org |
| List of Freshwater Fishes for Brazil n=2298 | |||||
| Family | Scientific Name | FB Name | Name | Status | |
| Anostomidae | Abramites hypselonotus | Marbled headstander | Piau-pedra | native |
| Loricariidae | Acanthicus adonis | native |
| Loricariidae | Acanthicus hystrix | native |
| Doradidae | Acanthodoras cataphractus | Spiny catfish | Bacu | native |
| Doradidae | Acanthodoras depressus | native |
| Doradidae | Acanthodoras spinosissimus | Talking catfish | endemic |
| Cichlidae | Acarichthys heckelii | Threadfin acara | native |
| Cichlidae | Acaronia nassa | Bigeye cichlid | native |
| Cichlidae | Acaronia vultuosa | native |
| Heptapteridae | Acentronichthys fissipinnis | native |
| Heptapteridae | Acentronichthys leptos | native |
| Loricariidae | Acestridium discus | native |
| Characidae | Acestrocephalus sardina | native |
| Acestrorhynchidae | Acestrorhynchus abbreviatus | Cachorrinho | native |
| Acestrorhynchidae | Acestrorhynchus altus | Cachorrinho | native |
| Acestrorhynchidae | Acestrorhynchus britskii | Peixe cachorro | native |
| Acestrorhynchidae | Acestrorhynchus falcatus | Cachorinho | native |
| Acestrorhynchidae | Acestrorhynchus falcirostris | Peixe cachorro | native |
| Acestrorhynchidae | Acestrorhynchus grandoculis | Peixe cachorro | native |
| Acestrorhynchidae | Acestrorhynchus heterolepis | Peixe cachorro | native |
| Acestrorhynchidae | Acestrorhynchus isalineae | native |
| Acestrorhynchidae | Acestrorhynchus lacustris | Peixe cachorro | native |
| Acestrorhynchidae | Acestrorhynchus maculipinna | Peixe cachorro | native |
| Acestrorhynchidae | Acestrorhynchus microlepis | Pike characin | Cachorinho | native |
| Acestrorhynchidae | Acestrorhynchus minimus | Cachorrinho | native |
| Acestrorhynchidae | Acestrorhynchus nasutus | Cachorrinho | native |
| Acestrorhynchidae | Acestrorhynchus pantaneiro | Peixe cachorro | native |
| Achiridae | Achiropsis nattereri | Linguado | native |
| Achiridae | Achirus achirus | Drab sole | Linguado | native |
| Characidae | Acinocheirodon melanogramma | Lambari | native |
| Characidae | Acnodon normani | Sheep-pacu | Pacu | native |
| Characidae | Acnodon senai | native |
| Apteronotidae | Adontosternarchus balaenops | native |
| Apteronotidae | Adontosternarchus clarkae | native |
| Apteronotidae | Adontosternarchus devenanzii | native |
| Apteronotidae | Adontosternarchus sachsi | native |
| Cichlidae | Aequidens diadema | native |
| Cichlidae | Aequidens epae | native |
| Cichlidae | Aequidens gerciliae | endemic |
| Cichlidae | Aequidens hoehnei | native |
| Cichlidae | Aequidens mauesanus | native |
| Cichlidae | Aequidens michaeli | native |
| Cichlidae | Aequidens pallidus | Doublespot acara | native |
| Cichlidae | Aequidens plagiozonatus | native |
| Cichlidae | Aequidens rondoni | native |
| Cichlidae | Aequidens tetramerus | Saddle cichlid | Acará pixuna | native |
| Cichlidae | Aequidens tubicen | native |
| Cichlidae | Aequidens viridis | Acará cascudo | native |
| Doradidae | Agamyxis pectinifrons | Whitebarred catfish | native |
| Auchenipteridae | Ageneiosus atronasus | native |
| Auchenipteridae | Ageneiosus brevis | native |
| Auchenipteridae | Ageneiosus inermis | Bocudo | native |
| Auchenipteridae | Ageneiosus militaris | Fidalgo | native |
| Auchenipteridae | Ageneiosus piperatus | native |
| Auchenipteridae | Ageneiosus polystictus | native |
| Auchenipteridae | Ageneiosus ucayalensis | Bocudo | native |
| Auchenipteridae | Ageneiosus vittatus | native |
| Characidae | Agoniates anchovia | native |
| Characidae | Agoniates halecinus | Maiaca | native |
| Pimelodidae | Aguarunichthys inpai | native |
| Pimelodidae | Aguarunichthys tocantinsensis | native |
| Aspredinidae | Amaralia hypsiura | native |
| Engraulidae | Amazonsprattus scintilla | Rio Negro pygmy anchovy | native |
| Doradidae | Amblydoras affinis | native |
| Doradidae | Amblydoras hancockii | Blue-eye catfish | Qui ri - qui ri | native |
| Doradidae | Amblydoras monitor | native |
| Crenuchidae | Ammocryptocharax elegans | native |
| Crenuchidae | Ammocryptocharax minutus | native |
| Trichomycteridae | Ammoglanis diaphanus | native |
| Anablepidae | Anableps anableps | Largescale foureyes | Quatro-olhos | native |
| Anablepidae | Anableps microlepis | Foureyes | Quatro-olhos | native |
| Doradidae | Anadoras regani | qui ri - qui ri | native |
| Doradidae | Anadoras weddellii | Carataí | native |
| Engraulidae | Anchoa spinifer | Spicule anchovy | Arenque | native |
| Engraulidae | Anchovia surinamensis | Surinam anchovy | native |
| Engraulidae | Anchoviella carrikeri | Carriker's anchovy | native |
| Engraulidae | Anchoviella guianensis | Guyana anchovy | Sardinha | native |
| Engraulidae | Anchoviella jamesi | James's anchovy | native |
| Engraulidae | Anchoviella lepidentostole | Broadband anchovy | Manjuba | native |
| Engraulidae | Anchoviella nattereri | Natterer's anchovy | endemic |
| Engraulidae | Anchoviella vaillanti | Vaillant's anchovy | Manjuba | endemic |
| Loricariidae | Ancistrus aguaboensis | native |
| Loricariidae | Ancistrus brevipinnis | native |
| Loricariidae | Ancistrus cirrhosus | Jumbie teta | misidentification |
| Loricariidae | Ancistrus claro | native |
| Loricariidae | Ancistrus cryptophthalmus | native |
| Loricariidae | Ancistrus damasceni | native |
| Loricariidae | Ancistrus dolichopterus | Bushymouth catfish | native |
| Loricariidae | Ancistrus dubius | native |
| Loricariidae | Ancistrus formoso | native |
| Loricariidae | Ancistrus fulvus | native |
| Loricariidae | Ancistrus hoplogenys | native |
| Loricariidae | Ancistrus latifrons | native |
| Loricariidae | Ancistrus maculatus | native |
| Loricariidae | Ancistrus mattogrossensis | native |
| Loricariidae | Ancistrus minutus | native |
| Loricariidae | Ancistrus multispinis | native |
| Loricariidae | Ancistrus ranunculus | native |
| Loricariidae | Ancistrus stigmaticus | Barbadinho | native |
| Loricariidae | Ancistrus taunayi | native |
| Doradidae | Anduzedoras oxyrhynchus | native |
| Anguillidae | Anguilla anguilla | European eel | Enguia | introduced |
| Anguillidae | Anguilla japonica | Japanese eel | Enguia | introduced |
| Hemiodontidae | Anodus elongatus | Charuto | native |
| Hemiodontidae | Anodus orinocensis | Ubarana | native |
| Anostomidae | Anostomoides laticeps | Araçu | native |
| Anostomidae | Anostomus anostomus | Striped headstander | Anostomo | native |
| Anostomidae | Anostomus intermedius | native |
| Anostomidae | Anostomus ternetzi | Anostomo | native |
| Parodontidae | Apareiodon affinis | Canivete | native |
| Parodontidae | Apareiodon davisi | Peixe-rei | native |
| Parodontidae | Apareiodon hasemani | Canivete | native |
| Parodontidae | Apareiodon ibitiensis | Ibiti sucker characin | native |
| Parodontidae | Apareiodon itapicuruensis | native |
| Parodontidae | Apareiodon machrisi | native |
| Parodontidae | Apareiodon piracicabae | Canivete | native |
| Parodontidae | Apareiodon vittatus | native |
| Loricariidae | Aphanotorulus unicolor | native |
| Characidae | Aphyocharax agassizii | native |
| Characidae | Aphyocharax alburnus | Goldencrown tetra | native |
| Characidae | Aphyocharax analis | native |
| Characidae | Aphyocharax anisitsi | Bloodfin tetra | native |
| Characidae | Aphyocharax dentatus | native |
| Characidae | Aphyocharax nattereri | native |
| Characidae | Aphyocharax paraguayensis | native |
| Characidae | Aphyocheirodon hemigrammus | Lambari | native |
| Achiridae | Apionichthys dumerili | Longtail sole | Linguado | native |
| Cichlidae | Apistogramma agassizii | Agassiz's dwarf cichlid | Agassízi | native |
| Cichlidae | Apistogramma amoenum | Pleasant cichlid | misidentification |
| Cichlidae | Apistogramma arua | native |
| Cichlidae | Apistogramma bitaeniata | native |
| Cichlidae | Apistogramma borellii | Umbrella cichlid | native |
| Cichlidae | Apistogramma brevis | native |
| Cichlidae | Apistogramma cacatuoides | Cockatoo cichlid | native |
| Cichlidae | Apistogramma caetei | native |
| Cichlidae | Apistogramma commbrae | Corumba cichlid | native |
| Cichlidae | Apistogramma diplotaenia | native |
| Cichlidae | Apistogramma elizabethae | native |
| Cichlidae | Apistogramma eunotus | native |
| Cichlidae | Apistogramma geisleri | native |
| Cichlidae | Apistogramma gephyra | native |
| Cichlidae | Apistogramma gibbiceps | native |
| Cichlidae | Apistogramma gossei | native |
| Cichlidae | Apistogramma hippolytae | native |
| Cichlidae | Apistogramma inconspicua | native |
| Cichlidae | Apistogramma juruensis | native |
| Cichlidae | Apistogramma meinkeni | native |
| Cichlidae | Apistogramma mendezi | native |
| Cichlidae | Apistogramma moae | native |
| Cichlidae | Apistogramma paucisquamis | native |
| Cichlidae | Apistogramma personata | native |
| Cichlidae | Apistogramma pertensis | Amazon dwarf cichlid | endemic |
| Cichlidae | Apistogramma piauiensis | native |
| Cichlidae | Apistogramma pulchra | native |
| Cichlidae | Apistogramma regani | native |
| Cichlidae | Apistogramma resticulosa | native |
| Cichlidae | Apistogramma rupununi | Two-spot Apistogramma | native |
| Cichlidae | Apistogramma staecki | native |
| Cichlidae | Apistogramma taeniata | native |
| Cichlidae | Apistogramma trifasciata | native |
| Cichlidae | Apistogramma uaupesi | native |
| Apteronotidae | Apteronotus albifrons | Black ghost | Itoui cavalo | native |
| Apteronotidae | Apteronotus bonapartii | native |
| Apteronotidae | Apteronotus brasiliensis | native |
| Apteronotidae | Apteronotus leptorhynchus | native |
| Apteronotidae | Apteronotus macrolepis | native |
| Apteronotidae | Apteronotus marauna | native |
| Osteoglossidae | Arapaima gigas | Arapaima | Bodeco | native |
| Sternopygidae | Archolaemus blax | native |
| Hemiodontidae | Argonectes longiceps | Jatuarana | native |
| Hemiodontidae | Argonectes robertsi | Jatuarana | native |
| Cyprinidae | Aristichthys nobilis | Bighead carp | introduced |
| Callichthyidae | Aspidoras albater | False macropterus | native |
| Callichthyidae | Aspidoras belenos | native |
| Callichthyidae | Aspidoras brunneus | native |
| Callichthyidae | Aspidoras carvalhoi | native |
| Callichthyidae | Aspidoras depinnai | native |
| Callichthyidae | Aspidoras eurycephalus | native |
| Callichthyidae | Aspidoras fuscoguttatus | native |
| Callichthyidae | Aspidoras lakoi | native |
| Callichthyidae | Aspidoras maculosus | native |
| Callichthyidae | Aspidoras menezesi | native |
| Callichthyidae | Aspidoras microgalaeus | native |
| Callichthyidae | Aspidoras pauciradiatus | Sixray corydoras | native |
| Callichthyidae | Aspidoras poecilus | native |
| Callichthyidae | Aspidoras raimundi | native |
| Callichthyidae | Aspidoras rochai | Comboeiro | native |
| Callichthyidae | Aspidoras spilotus | native |
| Callichthyidae | Aspidoras taurus | native |
| Callichthyidae | Aspidoras virgulatus | native |
| Ariidae | Aspistor luniscutis | native |
| Ariidae | Aspistor quadriscutis | Bressou sea catfish | Bagre | native |
| Auchenipteridae | Asterophysus batrachus | native |
| Doradidae | Astrodoras asterifrons | native |
| Cichlidae | Astronotus crassipinnis | Acará açu | native |
| Cichlidae | Astronotus ocellatus | Oscar | Acará-açu | native |
| Characidae | Astyanacinus goyanensis | native |
| Characidae | Astyanacinus moorii | native |
| Characidae | Astyanax abramis | Acará-pixuma | native |
| Characidae | Astyanax alburnus | native |
| Characidae | Astyanax altiparanae | native |
| Characidae |