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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