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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
Slender robber
Rhabdalestes rhodesiensis
Alestidae Least Concern Edible
Slender sculpin
Cottus tenuis
Cottidae Vulnerable
Slender shovelnose catfish
Sorubim elongatus
Pimelodidae Least Concern
Slender silverside
Chirostoma attenuatum
Atherinopsidae Endangered
Slender stone loach
Balitora mysorensis
Balitoridae Vulnerable
Slender stonebasher
Heteromormyrus ansorgii
Least Concern
Slender tail hap
Buccochromis lepturus
Cichlidae Least Concern Edible
Slender walking catfish
Clarias nieuhofii
Clariidae Least Concern
Slenderhead darter
Percina phoxocephala
Percidae Least Concern
Slim betta
Betta bellica
Osphronemidae Least Concern Edible
Slim minnow
Pimephales tenellus
Cyprinidae Least Concern
Slimy sculpin
Cottus cognatus
Cottidae Least Concern Edible
Slobbering catfish
Brachyplatystoma platynema
Pimelodidae Edible
Slough darter
Etheostoma gracile
Percidae Least Concern
Small eye golden-line fish
Sinocyclocheilus microphthalmus
Cyprinidae Vulnerable
Small green utaka
Nyassachromis leuciscus
Cichlidae Data Deficient Edible
Small scale mud carp
Cirrhinus microlepis
Cyprinidae Vulnerable Edible
Small scaled nothobranch
Nothobranchius microlepis
Nothobranchiidae Vulnerable Edible
Small snakehead
Channa asiatica
Channidae Least Concern Edible
Small-eyed loter
Prionobutis microps
Eleotridae Least Concern
Small-eyed sculpin
Abyssocottus korotneffi
Least Concern
Small-mouth char
Salvelinus elgyticus
Salmonidae Least Concern
Small-spine tadpole-goby
Benthophilus mahmudbejovi
Gobiidae Data Deficient
Smalleye shiner
Alburnops buccula
Vulnerable
Smallfin redhorse
Moxostoma robustum
Catostomidae Endangered
smallfinger topminnow
Girardinus microdactylus
Poeciliidae Least Concern
Smallhead grunter
Scortum parviceps
Terapontidae Near Threatened
Smallmouth bass
Micropterus dolomieu
Centrarchidae Least Concern Edible
Smallmouth buffalo
Ictiobus bubalus
Catostomidae Least Concern Edible
Smallmouth electric catfish
Malapterurus microstoma
Malapteruridae Least Concern Edible
Smallmouth fringe barb
Crossocheilus microstoma
Cyprinidae
Smallmouth redhorse
Moxostoma breviceps
Catostomidae Least Concern
Smallmouth silverside
Chirostoma chapalae
Atherinopsidae Vulnerable Edible
Smallmouth yellowfish
Labeobarbus aeneus
Cyprinidae Least Concern Edible
Smallmouthed salmon catfish
Cinetodus froggatti
Least Concern
Smallscale archerfish
Toxotes microlepis
Toxotidae Least Concern
Smallscale darter
Nothonotus microlepidus
Near Threatened
Smallscale redfin
Pseudobarbus asper
Cyprinidae Vulnerable Edible
Smallscale tonguesole
Cynoglossus microlepis
Cynoglossidae Least Concern Edible
Smallscale yellowfin
Plagiognathops microlepis
Cyprinidae Least Concern
Smallscale yellowfish
Labeobarbus polylepis
Cyprinidae Least Concern Edible
Smallscaled spinycheek sleeper
Eleotris perniger
Eleotridae Least Concern
Smalltail butter catfish
Ompok rhadinurus
Siluridae Least Concern
Smalltooth Mini Tetra
Serrapinnus microdon
Characidae Least Concern
Smilosicyopus Bitaeniatus
Smilosicyopus bitaeniatus
Gobiidae Data Deficient
Smilosicyopus Leprurus
Smilosicyopus leprurus
Gobiidae Least Concern
Smilosicyopus Mystax
Smilosicyopus mystax
Gobiidae
Smoky madtom
Noturus baileyi
Ictaluridae Vulnerable