| Order |
Family |
Species |
Status |
FB name |
Name |
| Characiformes |
Anostomidae |
Abramites hypselonotus
|
native | Marbled headstander | Per-dofolha |
| Perciformes |
Cichlidae |
Aequidens plagiozonatus
|
misidentification | | |
| Siluriformes |
Auchenipteridae |
Ageneiosus inermis
|
native | Manduba | |
| Siluriformes |
Auchenipteridae |
Ageneiosus militaris
|
native | | |
| Siluriformes |
Doradidae |
Anadoras weddellii
|
native | | Iagivá |
| Siluriformes |
Loricariidae |
Ancistrus dubius
|
native | | Pirambocaya |
| Siluriformes |
Loricariidae |
Ancistrus hoplogenys
|
native | | |
| Siluriformes |
Loricariidae |
Ancistrus pirareta
|
native | | Pirambocaya |
| Siluriformes |
Loricariidae |
Ancistrus piriformis
|
native | | Pirambocaya |
| Characiformes |
Parodontidae |
Apareiodon affinis
|
native | Darter characine | Piki |
| Characiformes |
Characidae |
Aphyocharax anisitsi
|
native | Bloodfin tetra | |
| Characiformes |
Characidae |
Aphyocharax dentatus
|
native | | |
| Characiformes |
Characidae |
Aphyocharax nattereri
|
native | | |
| Characiformes |
Characidae |
Aphyocharax paraguayensis
|
native | | |
| Characiformes |
Characidae |
Aphyocharax rathbuni
|
native | Redflank bloodfin | |
| Perciformes |
Cichlidae |
Apistogramma borellii
|
native | Umbrella cichlid | |
| Perciformes |
Cichlidae |
Apistogramma commbrae
|
native | Corumba cichlid | |
| Perciformes |
Cichlidae |
Apistogramma trifasciata
|
native | | |
| Gymnotiformes |
Apteronotidae |
Apteronotus albifrons
|
native | Black ghost | |
| Perciformes |
Cichlidae |
Astronotus crassipinnis
|
native | | |
| Characiformes |
Characidae |
Astyanax asuncionensis
|
native | | |
| Characiformes |
Characidae |
Astyanax bimaculatus
|
questionable | Twospot astyanax | |
| Characiformes |
Characidae |
Astyanax eigenmanniorum
|
native | | |
| Characiformes |
Characidae |
Astyanax paraguayensis
|
native | | |
| Characiformes |
Characidae |
Astyanax pelegrini
|
native | | |
| Siluriformes |
Auchenipteridae |
Auchenipterus nigripinnis
|
native | | |
| Siluriformes |
Auchenipteridae |
Auchenipterus osteomystax
|
native | | |
| Perciformes |
Cichlidae |
Australoheros facetus
|
misidentification | Chameleon cichlid | |
| Perciformes |
Cichlidae |
Australoheros guarani
|
native | | |
| Cyprinodontiformes |
Rivulidae |
Austrolebias nigripinnis
|
native | Blackfin pearlfish | |
| Cyprinodontiformes |
Rivulidae |
Austrolebias patriciae
|
native | | |
| Cyprinodontiformes |
Rivulidae |
Austrolebias vandenbergi
|
native | | |
| Characiformes |
Characidae |
Brachychalcinus retrospina
|
native | | |
| Gymnotiformes |
Hypopomidae |
Brachyhypopomus beebei
|
native | | |
| Gymnotiformes |
Hypopomidae |
Brachyhypopomus draco
|
native | | |
| Gymnotiformes |
Hypopomidae |
Brachyhypopomus pinnicaudatus
|
native | | |
| Characiformes |
Characidae |
Brycon hilarii
|
native | | |
| Characiformes |
Characidae |
Bryconamericus exodon
|
native | | |
| Characiformes |
Characidae |
Bryconamericus stramineus
|
native | | |
| Perciformes |
Cichlidae |
Bujurquina vittata
|
native | Banded acara | |
| Siluriformes |
Aspredinidae |
Bunocephalus doriae
|
native | | |
| Siluriformes |
Aspredinidae |
Bunocephalus iheringii
|
native | | |
| Siluriformes |
Aspredinidae |
Bunocephalus rugosus
|
native | | |
| Siluriformes |
Callichthyidae |
Callichthys callichthys
|
native | Cascarudo | |
| Pleuronectiformes |
Achiridae |
Catathyridium jenynsii
|
native | | Lenguado |
| Pleuronectiformes |
Achiridae |
Catathyridium lorentzii
|
native | | Lenguado |
| Siluriformes |
Cetopsidae |
Cetopsis gobioides
|
native | | |
| Perciformes |
Cichlidae |
Chaetobranchopsis australis
|
native | | |
| Characiformes |
Crenuchidae |
Characidium etzeli
|
native | | |
| Characiformes |
Crenuchidae |
Characidium laterale
|
native | | |
| Characiformes |
Characidae |
Charax condei
|
misidentification | | |
| Characiformes |
Characidae |
Charax leticiae
|
native | | |
| Characiformes |
Characidae |
Charax stenopterus
|
native | | |
| Perciformes |
Cichlidae |
Cichla piquiti
|
introduced | | |
| Perciformes |
Cichlidae |
Cichlasoma bimaculatum
|
misidentification | Black acara | |
| Perciformes |
Cichlidae |
Cichlasoma dimerus
|
native | | |
| Perciformes |
Cichlidae |
Cichlasoma pusillum
|
endemic | | |
| Cyprinodontiformes |
Poeciliidae |
Cnesterodon raddai
|
native | | |
| Siluriformes |
Callichthyidae |
Corydoras aeneus
|
native | Bronze corydoras | |
| Siluriformes |
Callichthyidae |
Corydoras aurofrenatus
|
native | | |
| Siluriformes |
Callichthyidae |
Corydoras diphyes
|
native | | |
| Siluriformes |
Callichthyidae |
Corydoras ellisae
|
native | | |
| Siluriformes |
Callichthyidae |
Corydoras paleatus
|
native | Peppered corydoras | |
| Characiformes |
Characidae |
Creagrutus meridionalis
|
native | | |
| Characiformes |
Characidae |
Creagrutus paraguayensis
|
native | | |
| Perciformes |
Cichlidae |
Crenicichla lepidota
|
native | Pike cichlid | |
| Perciformes |
Cichlidae |
Crenicichla niederleinii
|
native | | |
| Perciformes |
Cichlidae |
Crenicichla semifasciata
|
native | | |
| Perciformes |
Cichlidae |
Crenicichla vittata
|
native | | |
| Characiformes |
Curimatidae |
Curimatella dorsalis
|
native | | |
| Characiformes |
Curimatidae |
Curimatopsis myersi
|
native | | |
| Characiformes |
Characidae |
Cynopotamus argenteus
|
native | | |
| Characiformes |
Characidae |
Cynopotamus kincaidi
|
native | | |
| Characiformes |
Curimatidae |
Cyphocharax gillii
|
native | | |
| Characiformes |
Curimatidae |
Cyphocharax modestus
|
native | | |
| Characiformes |
Curimatidae |
Cyphocharax platanus
|
native | | |
| Characiformes |
Curimatidae |
Cyphocharax saladensis
|
native | Rosy curimata | |
| Characiformes |
Curimatidae |
Cyphocharax spilotus
|
native | | |
| Characiformes |
Curimatidae |
Cyphocharax voga
|
native | | |
| Cypriniformes |
Cyprinidae |
Cyprinus carpio carpio
|
introduced | Common carp | |
| Siluriformes |
Doradidae |
Doras eigenmanni
|
native | | |
| Gymnotiformes |
Sternopygidae |
Eigenmannia trilineata
|
native | | |
| Gymnotiformes |
Sternopygidae |
Eigenmannia virescens
|
native | Glass knifefish | |
| Siluriformes |
Auchenipteridae |
Epapterus dispilurus
|
native | | |
| Siluriformes |
Loricariidae |
Farlowella hahni
|
native | | |
| Siluriformes |
Loricariidae |
Farlowella paraguayensis
|
native | | |
| Characiformes |
Characidae |
Galeocharax humeralis
|
native | | |
| Characiformes |
Characidae |
Gymnocorymbus ternetzi
|
misidentification | Black tetra | |
| Perciformes |
Cichlidae |
Gymnogeophagus balzanii
|
native | Argentine humphead | |
| Perciformes |
Cichlidae |
Gymnogeophagus caaguazuensis
|
native | | |
| Perciformes |
Cichlidae |
Gymnogeophagus rhabdotus
|
misidentification | Stripefin eartheater | |
| Perciformes |
Cichlidae |
Gymnogeophagus setequedas
|
native | | |
| Gymnotiformes |
Gymnotidae |
Gymnotus carapo
|
native | Banded knifefish | |
| Gymnotiformes |
Gymnotidae |
Gymnotus inaequilabiatus
|
native | | |
| Gymnotiformes |
Gymnotidae |
Gymnotus pantanal
|
native | | |
| Gymnotiformes |
Gymnotidae |
Gymnotus paraguensis
|
native | | |
| Characiformes |
Characidae |
Hemigrammus mahnerti
|
native | | |
| Characiformes |
Characidae |
Hemigrammus marginatus
|
misidentification | | |
| Characiformes |
Characidae |
Hemigrammus tridens
|
native | | |
| Siluriformes |
Loricariidae |
Hemiloricaria aurata
|
native | | |
| Characiformes |
Hemiodontidae |
Hemiodus orthonops
|
native | | |
| Characiformes |
Hemiodontidae |
Hemiodus semitaeniatus
|
native | Halfline hemiodus | |
| Siluriformes |
Pimelodidae |
Hemisorubim platyrhynchos
|
native | Porthole shovelnose catfish | |
| Siluriformes |
Trichomycteridae |
Homodiaetus anisitsi
|
native | | |
| Characiformes |
Erythrinidae |
Hoplias malabaricus
|
native | Trahira | |
| Siluriformes |
Callichthyidae |
Hoplosternum littorale
|
native | Hassar | |
| Characiformes |
Characidae |
Hyphessobrycon anisitsi
|
native | Buenos Aires tetra | |
| Characiformes |
Characidae |
Hyphessobrycon arianae
|
native | | |
| Characiformes |
Characidae |
Hyphessobrycon elachys
|
native | | |
| Characiformes |
Characidae |
Hyphessobrycon eques
|
native | Jewel tetra | |
| Characiformes |
Characidae |
Hyphessobrycon guarani
|
native | | |
| Characiformes |
Characidae |
Hyphessobrycon luetkenii
|
native | | |
| Characiformes |
Characidae |
Hyphessobrycon procerus
|
native | | |
| Characiformes |
Characidae |
Hyphessobrycon pytai
|
native | | |
| Siluriformes |
Loricariidae |
Hypoptopoma inexspectatum
|
native | | |
| Siluriformes |
Loricariidae |
Hypostomus albopunctatus
|
questionable | | |
| Siluriformes |
Loricariidae |
Hypostomus boulengeri
|
native | | Cascarudo |
| Siluriformes |
Loricariidae |
Hypostomus cochliodon
|
native | | |
| Siluriformes |
Loricariidae |
Hypostomus commersoni
|
native | | |
| Siluriformes |
Loricariidae |
Hypostomus cordovae
|
questionable | | |
| Siluriformes |
Loricariidae |
Hypostomus derbyi
|
questionable | | |
| Siluriformes |
Loricariidae |
Hypostomus dlouhyi
|
native | | Cascarudo |
| Siluriformes |
Loricariidae |
Hypostomus itacua
|
questionable | | |
| Siluriformes |
Loricariidae |
Hypostomus latifrons
|
native | | Cascarudo |
| Siluriformes |
Loricariidae |
Hypostomus latirostris
|
native | | Cascarudo |
| Siluriformes |
Loricariidae |
Hypostomus margaritifer
|
questionable | | |
| Siluriformes |
Loricariidae |
Hypostomus microstomus
|
native | | Cascarudo |
| Siluriformes |
Loricariidae |
Hypostomus paulinus
|
questionable | | |
| Siluriformes |
Loricariidae |
Hypostomus piratatu
|
native | | |
| Siluriformes |
Loricariidae |
Hypostomus regani
|
native | | Cascarudo |
| Siluriformes |
Loricariidae |
Hypostomus ternetzi
|
native | | Cascarudo |
| Siluriformes |
Pimelodidae |
Iheringichthys labrosus
|
native | | |
| Siluriformes |
Pimelodidae |
Iheringichthys megalops
|
endemic | | |
| Characiformes |
Characidae |
Knodus moenkhausii
|
native | | |
| Perciformes |
Cichlidae |
Laetacara dorsigera
|
native | Redbreast acara | Cará-bobo |
| Lepidosireniformes |
Lepidosirenidae |
Lepidosiren paradoxa
|
native | South American lungfish | |
| Characiformes |
Anostomidae |
Leporellus vittatus
|
native | | |
| Characiformes |
Anostomidae |
Leporinus obtusidens
|
native | | |
| Characiformes |
Anostomidae |
Leporinus striatus
|
native | | |
| Siluriformes |
Callichthyidae |
Lepthoplosternum pectorale
|
native | | |
| Siluriformes |
Loricariidae |
Loricaria apeltogaster
|
native | | |
| Siluriformes |
Loricariidae |
Loricaria simillima
|
native | | |
| Siluriformes |
Loricariidae |
Loricariichthys labialis
|
native | | |
| Siluriformes |
Loricariidae |
Loricariichthys platymetopon
|
native | | |
| Siluriformes |
Loricariidae |
Loricariichthys rostratus
|
native | | |
| Siluriformes |
Pimelodidae |
Luciopimelodus pati
|
native | Pati | |
| Characiformes |
Characidae |
Markiana nigripinnis
|
native | | |
| Siluriformes |
Loricariidae |
Megalancistrus parananus
|
native | | |
| Cyprinodontiformes |
Rivulidae |
Megalebias monstrosus
|
native | | |
| Siluriformes |
Pimelodidae |
Megalonema pauciradiatum
|
endemic | | |
| Siluriformes |
Pimelodidae |
Megalonema platanum
|
native | | |
| Perciformes |
Cichlidae |
Mesonauta festivus
|
native | Flag cichlid | |
| Characiformes |
Characidae |
Metynnis maculatus
|
questionable | Spotted metynnis | |
| Characiformes |
Characidae |
Metynnis mola
|
native | | |
| Characiformes |
Characidae |
Metynnis otuquensis
|
native | | |
| Siluriformes |
Pseudopimelodidae |
Microglanis carlae
|
native | | |
| Characiformes |
Characidae |
Mimagoniates barberi
|
native | | |
| Characiformes |
Characidae |
Mixobrycon ribeiroi
|
native | | |
| Characiformes |
Characidae |
Moenkhausia dichroura
|
native | Bandtail tetra | |
| Characiformes |
Characidae |
Moenkhausia intermedia
|
native | | |
| Characiformes |
Characidae |
Moenkhausia sanctaefilomenae
|
native | Redeye tetra | |
| Characiformes |
Characidae |
Myleus levis
|
native | | |
| Characiformes |
Characidae |
Myleus tiete
|
native | | |
| Characiformes |
Characidae |
Mylossoma duriventre
|
native | | |
| Cyprinodontiformes |
Rivulidae |
Neofundulus ornatipinnis
|
native | | |
| Cyprinodontiformes |
Rivulidae |
Neofundulus paraguayensis
|
native | | |
| Characiformes |
Characidae |
Odontostilbe paraguayensis
|
native | | |
| Characiformes |
Characidae |
Odontostilbe pequira
|
native | | |
| Characiformes |
Characidae |
Oligosarcus paranensis
|
native | | |
| Siluriformes |
Loricariidae |
Otocinclus mimulus
|
native | | |
| Siluriformes |
Loricariidae |
Otocinclus vestitus
|
native | | |
| Siluriformes |
Loricariidae |
Otocinclus vittatus
|
native | | |
| Siluriformes |
Doradidae |
Oxydoras kneri
|
native | | Itagua-pochih |
| Cyprinodontiformes |
Rivulidae |
Papiliolebias bitteri
|
native | | |
| Siluriformes |
Loricariidae |
Paraloricaria agastor
|
native | | |
| Siluriformes |
Pimelodidae |
Parapimelodus valenciennis
|
native | | |
| Siluriformes |
Trichomycteridae |
Paravandellia oxyptera
|
native | Pantanal parasitic catfish | Sumbichuga |
| Characiformes |
Parodontidae |
Parodon carrikeri
|
native | | |
| Characiformes |
Parodontidae |
Parodon nasus
|
native | | |
| Cyprinodontiformes |
Poeciliidae |
Phalloceros caudimaculatus
|
native | Dusky millions fish | |
| Cyprinodontiformes |
Poeciliidae |
Phalloceros harpagos
|
native | | |
| Cyprinodontiformes |
Poeciliidae |
Phalloptychus januarius
|
native | | |
| Cyprinodontiformes |
Poeciliidae |
Phallotorynus dispilos
|
native | | |
| Cyprinodontiformes |
Poeciliidae |
Phallotorynus jucundus
|
questionable | | |
| Cyprinodontiformes |
Poeciliidae |
Phallotorynus psittakos
|
native | | Piky |
| Cyprinodontiformes |
Poeciliidae |
Phallotorynus victoriae
|
native | | Piky |
| Characiformes |
Characidae |
Phenacogaster tegatus
|
native | | |
| Characiformes |
Characidae |
Piabarchus analis
|
native | | |
| Characiformes |
Characidae |
Piabarchus torrenticola
|
native | | |
| Characiformes |
Characidae |
Piabina argentea
|
native | | |
| Characiformes |
Characidae |
Piabucus melanostoma
|
native | | |
| Characiformes |
Characidae |
Piaractus mesopotamicus
|
native | Pacu | |
| Siluriformes |
Heptapteridae |
Pimelodella griffini
|
native | | |
| Siluriformes |
Heptapteridae |
Pimelodella laticeps
|
native | | |
| Siluriformes |
Heptapteridae |
Pimelodella mucosa
|
endemic | | |
| Siluriformes |
Heptapteridae |
Pimelodella parva
|
endemic | | |
| Siluriformes |
Pimelodidae |
Pimelodus ornatus
|
native | | |
| Siluriformes |
Pimelodidae |
Pinirampus pirinampu
|
native | Flatwhiskered catfish | |
| Perciformes |
Sciaenidae |
Plagioscion ternetzi
|
native | Freshwater croaker | |
| Siluriformes |
Doradidae |
Platydoras armatulus
|
native | Southern striped raphael | Itagwa |
| Characiformes |
Characidae |
Poptella paraguayensis
|
native | | |
| Characiformes |
Curimatidae |
Potamorhina squamoralevis
|
native | | |
| Beloniformes |
Belonidae |
Potamorrhaphis eigenmanni
|
native | | |
| Rajiformes |
Potamotrygonidae |
Potamotrygon brachyura
|
native | Short-tailed river stingray | |
| Rajiformes |
Potamotrygonidae |
Potamotrygon falkneri
|
native | Largespot river stingray | Raya |
| Rajiformes |
Potamotrygonidae |
Potamotrygon motoro
|
native | Ocellate river stingray | |
| Rajiformes |
Potamotrygonidae |
Potamotrygon schuhmacheri
|
native | | Raya |
| Characiformes |
Characidae |
Prionobrama paraguayensis
|
native | | |
| Characiformes |
Prochilodontidae |
Prochilodus lineatus
|
native | Streaked prochilod | Sábalo |
| Characiformes |
Curimatidae |
Psectrogaster curviventris
|
native | | |
| Characiformes |
Characidae |
Psellogrammus kennedyi
|
native | | |
| Siluriformes |
Loricariidae |
Pseudohemiodon laticeps
|
native | | |
| Siluriformes |
Pseudopimelodidae |
Pseudopimelodus mangurus
|
native | | |
| Siluriformes |
Pimelodidae |
Pseudoplatystoma corruscans
|
native | Spotted sorubim | |
| Siluriformes |
Pimelodidae |
Pseudoplatystoma fasciatum
|
questionable | Barred sorubim | |
| Siluriformes |
Aspredinidae |
Pterobunocephalus depressus
|
native | | |
| Siluriformes |
Doradidae |
Pterodoras granulosus
|
native | Granulated catfish | Itagivá |
| Cyprinodontiformes |
Rivulidae |
Pterolebias longipinnis
|
native | Longfin killie | |
| Siluriformes |
Loricariidae |
Pterygoplichthys anisitsi
|
native | Snow pleco | Guaimingué |
| Characiformes |
Characidae |
Pygocentrus nattereri
|
native | Red piranha | |
| Characiformes |
Lebiasinidae |
Pyrrhulina australis
|
native | | |
| Siluriformes |
Heptapteridae |
Rhamdia quelen
|
native | | Ñurundiá |
| Characiformes |
Cynodontidae |
Rhaphiodon vulpinus
|
native | Biara | Pirayagua |
| Siluriformes |
Loricariidae |
Rhinelepis strigosa
|
native | | |
| Siluriformes |
Doradidae |
Rhinodoras dorbignyi
|
native | | |
| Siluriformes |
Loricariidae |
Rineloricaria fallax
|
misidentification | | |
| Siluriformes |
Loricariidae |
Rineloricaria parva
|
native | | |
| Cyprinodontiformes |
Rivulidae |
Rivulus punctatus
|
native | | |
| Characiformes |
Characidae |
Roeboides descalvadensis
|
native | | Dientudo |
| Characiformes |
Characidae |
Roeboides microlepis
|
native | | Dientudo |
| Characiformes |
Characidae |
Roeboides paranensis
|
native | Parana scale-eating characin | Dientudo |
| Characiformes |
Characidae |
Roeboides prognathus
|
native | | Dientudo |
| Characiformes |
Characidae |
Salminus brasiliensis
|
native | Jaw characin | |
| Perciformes |
Cichlidae |
Satanoperca pappaterra
|
native | Pantanal eartheater | Pantanal eartheater |
| Characiformes |
Anostomidae |
Schizodon isognathus
|
native | | |
| Siluriformes |
Callichthyidae |
Scleromystax macropterus
|
native | Sailfin corydoras | |
| Siluriformes |
Scoloplacidae |
Scoloplax distolothrix
|
native | | |
| Characiformes |
Characidae |
Serrapinnus calliurus
|
native | | |
| Characiformes |
Characidae |
Serrapinnus heterodon
|
native | | |
| Characiformes |
Characidae |
Serrapinnus kriegi
|
native | | |
| Characiformes |
Characidae |
Serrapinnus microdon
|
native | | |
| Characiformes |
Characidae |
Serrasalmus maculatus
|
native | | |
| Characiformes |
Characidae |
Serrasalmus marginatus
|
native | | |
| Cyprinodontiformes |
Rivulidae |
Simpsonichthys chacoensis
|
endemic | | |
| Siluriformes |
Pimelodidae |
Sorubim lima
|
native | Duckbill catfish | |
| Characiformes |
Curimatidae |
Steindachnerina biornata
|
native | | |
| Characiformes |
Curimatidae |
Steindachnerina brevipinna
|
native | | |
| Characiformes |
Curimatidae |
Steindachnerina conspersa
|
native | | |
| Siluriformes |
Loricariidae |
Sturisoma robustum
|
native | | |
| Synbranchiformes |
Synbranchidae |
Synbranchus marmoratus
|
native | Marbled swamp eel | |
| Characiformes |
Gasteropelecidae |
Thoracocharax stellatus
|
native | Spotfin hatchetfish | |
| Siluriformes |
Doradidae |
Trachydoras paraguayensis
|
native | | Armado |
| Cyprinodontiformes |
Rivulidae |
Trigonectes aplocheiloides
|
endemic | | |
| Cyprinodontiformes |
Rivulidae |
Trigonectes balzanii
|
native | | |
| Characiformes |
Characidae |
Triportheus pantanensis
|
native | | |
| Characiformes |
Characidae |
Xenurobrycon macropus
|
native | | |
| Siluriformes |
Pimelodidae |
Zungaro jahu
|
questionable | | |
| Siluriformes |
Pimelodidae |
Zungaro zungaro
|
questionable | Gilded catfish | |