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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
Carolina madtom
Noturus furiosus
Ictaluridae Near Threatened
Carolina pygmy sunfish
Elassoma boehlkei
Elassomatidae Vulnerable Edible
Carp
Enteromius bigornei
Cyprinidae Least Concern
Carp
Enteromius liberiensis
Cyprinidae Endangered
Carpa Criolla
Piabucina pleurotaenia
Lebiasinidae Least Concern
Carpathian gudgeon
Gobio carpathicus
Gobionidae Least Concern
Carpathian lamprey
Eudontomyzon danfordi
Petromyzontidae Least Concern
Carriker's anchovy
Anchoviella carrikeri
Engraulidae Least Concern
Cascafe Brycon
Brycon atrocaudatus
Bryconidae Least Concern Edible
Cascajal toothcarp
Brachyrhaphis cascajalensis
Poeciliidae
Cascarudo
Callichthys callichthys
Callichthyidae Least Concern
Cascudinho
Harttia torrenticola
Loricariidae Least Concern
Cascudinho barbudo
Pareiorhaphis hypselurus
Loricariidae Least Concern
Cascudo
Pareiorhaphis vestigipinnis
Loricariidae Data Deficient
Cascudo
Neoplecostomus franciscoensis
Loricariidae Least Concern
Cascudo
Hemiancistrus votouro
Loricariidae Least Concern
Cascudo
Pareiorhaphis mutuca
Loricariidae Endangered
Cascudo-areia
Hypostomus affinis
Loricariidae Least Concern
cascudo-cego
Ancistrus formoso
Loricariidae Vulnerable
Cascudo-chinelo
Loricariichthys rostratus
Loricariidae Least Concern
Cascudo-peito-duro-do-pardo
Neoplecostomus paranensis
Loricariidae Least Concern
Cascudo-preto
Pogonopoma obscurum
Loricariidae Vulnerable
Cascuso-de-topete
Isbrueckerichthys epakmos
Loricariidae Least Concern
Caspian barbel
Luciobarbus caspius
Cyprinidae Least Concern Edible
Caspian gudgeon
Gobio holurus
Gobionidae Least Concern
Caspian lamprey
Caspiomyzon wagneri
Petromyzontidae Least Concern Edible
Caspian naked goby
Caspiosoma caspium
Least Concern
Caspian roach
Rutilus caspicus
Cyprinidae Least Concern
Caspian salmon
Salmo ciscaucasicus
Salmonidae
Caspian sand goby
Neogobius pallasi
Gobiidae Least Concern Edible
Caspian spined loach
Sabanejewia caspia
Cobitidae
Caspian stellate tadpole-goby
Benthophilus leobergius
Gobiidae Least Concern
Caspian tadpole goby
Benthophilus macrocephalus
Gobiidae Least Concern
Catalonian barbel
Barbus haasi
Cyprinidae Least Concern
Catarina allotoca
Allotoca catarinae
Goodeidae Critically Endangered
Catarina pupfish
Megupsilon aporus
Cyprinodontidae EX
Catathyridium Grandirivi
Catathyridium grandirivi
Achiridae Data Deficient
Catathyridium Jenynsii
Catathyridium jenynsii
Achiridae Least Concern
Catathyridium Lorentzii
Catathyridium lorentzii
Achiridae Least Concern
Catemaco characin
Astyanax caballeroi
Acestrorhamphidae Data Deficient
Catemaco livebearer
Poeciliopsis catemaco
Poeciliidae Endangered Edible
Catemaco molly
Poecilia catemaconis
Poeciliidae Edible
Catemaco platyfish
Xiphophorus milleri
Poeciliidae Data Deficient Edible
Catfish
Clarias agboyiensis
Clariidae Least Concern
Catfish
Rineloricaria lima
Loricariidae Data Deficient
Catfish
Synodontis membranaceus
Mochokidae Least Concern Edible
Catfish
Synodontis nigrita
Mochokidae Least Concern
Catfish
Clarias laeviceps
Clariidae Vulnerable