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Freshwater Fish Species

All freshwater fish species found in rivers, lakes, streams, and ponds worldwide. From tiny tetras to the giant arapaima — covering every continent.

18,067
Total Species
1,926
Endangered (EN+CR)
1,910
Edible Species
204
Families
Filtered Least Concern ✕ Clear all
Indoreonectes Evezardi
Indoreonectes evezardi
Nemacheilidae Least Concern
Indus Lotak
Cyprinion watsoni
Cyprinidae Least Concern
Indus snowtrout
Ptychobarbus conirostris
Least Concern
Inka dwarf cichlid
Apistogramma baenschi
Cichlidae Least Concern
Inpaichthys Nambiquara
Inpaichthys nambiquara
Acestrorhamphidae Least Concern
Interochromis Loocki
Interochromis loocki
Cichlidae Least Concern
Iowa darter
Etheostoma exile
Percidae Least Concern
Ipojuca catfish
Aspidoras depinnai
Callichthyidae Least Concern
Iquitos thorny catfish
Hemidoras morrisi
Least Concern
Iridescent glassy perchlet
Parambassis apogonoides
Ambassidae Least Concern
Ironcolor shiner
Notropis chalybaeus
Cyprinidae Least Concern
Ironcolor shiner
Alburnops chalybaeus
Least Concern
Isbrueckerichthys Alipionis
Isbrueckerichthys alipionis
Loricariidae Least Concern
Isbrueckerichthys Calvus
Isbrueckerichthys calvus
Loricariidae Least Concern
Isbrueckerichthys Duseni
Isbrueckerichthys duseni
Loricariidae Least Concern
Isorineloricaria Acuarius
Isorineloricaria acuarius
Loricariidae Least Concern
Isorineloricaria Tenuicauda
Isorineloricaria tenuicauda
Loricariidae Least Concern
Issyk-kul naked loach
Triplophysa ulacholica
Nemacheilidae Least Concern
Issyk-kul' minnow
Phoxinus issykkulensis
Cyprinidae Least Concern
Isthmian priapella
Priapella intermedia
Poeciliidae Least Concern
Itapoá toothcarp
Phalloceros malabarbai
Poeciliidae Least Concern
Ituglanis Amazonicus
Ituglanis amazonicus
Trichomycteridae Least Concern
Ituglanis Goya
Ituglanis goya
Trichomycteridae Least Concern
Ituglanis Guayaberensis
Ituglanis guayaberensis
Trichomycteridae Least Concern
Ituglanis Herberti
Ituglanis herberti
Trichomycteridae Least Concern
Ituglanis Ina
Ituglanis ina
Trichomycteridae Least Concern
Ituglanis Metae
Ituglanis metae
Trichomycteridae Least Concern
Ituglanis Parahybae
Ituglanis parahybae
Trichomycteridae Least Concern
Ituglanis Parkoi
Ituglanis parkoi
Trichomycteridae Least Concern
Ituglanis Proops
Ituglanis proops
Trichomycteridae Least Concern
Ivindomyrus Marchei
Ivindomyrus marchei
Mormyridae Least Concern
jabón
Trichomycterus caliensis
Trichomycteridae Least Concern
Jacareí toothcarp
Phalloceros buckupi
Poeciliidae Least Concern
Jack Dempsey
Rocio octofasciata
Cichlidae Least Concern
Jackson's barb
Enteromius jacksoni
Cyprinidae Least Concern
Jacuhy pleco
Hypostomus aspilogaster
Loricariidae Least Concern
Jacundá
Crenicichla lugubris
Cichlidae Least Concern
Jae barb
Enteromius jae
Cyprinidae Least Concern Edible
Jaguar catfish
Liosomadoras oncinus
Auchenipteridae Least Concern
Jaguar guapote
Parachromis managuensis
Cichlidae Least Concern Edible
Jaguar livebearer
Jenynsia onca
Anablepidae Least Concern
James's anchovy
Anchoviella jamesi
Engraulidae Least Concern
Jandira toothcarp
Poecilia sarrafae
Poeciliidae Least Concern
January tetra
Hemigrammus hyanuary
Acestrorhamphidae Least Concern Edible
January toothcarp
Phalloptychus januarius
Poeciliidae Least Concern
Japanese Dark Chub
Nipponocypris sieboldii
Cyprinidae Least Concern
Japanese Eight Barbel Loach
Lefua echigonia
Nemacheilidae Least Concern
Japanese fluvial sculpin
Cottus pollux
Cottidae Least Concern