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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
Tylochromis Robertsi
Tylochromis robertsi
Cichlidae Least Concern
Tylochromis Sudanensis
Tylochromis sudanensis
Cichlidae Least Concern
Tylochromis Variabilis
Tylochromis variabilis
Cichlidae Least Concern
Tympanopleura Brevis
Tympanopleura brevis
Auchenipteridae Least Concern
Tympanopleura Piperata
Tympanopleura piperata
Auchenipteridae Least Concern
Tympanopleura Rondoni
Tympanopleura rondoni
Auchenipteridae Least Concern
Typhlobelus Ternetzi
Typhlobelus ternetzi
Least Concern
Tyrannochromis Nigriventer
Tyrannochromis nigriventer
Cichlidae Least Concern
Tyttobrycon Dorsimaculatus
Tyttobrycon dorsimaculatus
Acestrorhamphidae Least Concern
Tyttobrycon Hamatus
Tyttobrycon hamatus
Acestrorhamphidae Least Concern
Tyttobrycon Marajoara
Tyttobrycon marajoara
Acestrorhamphidae Least Concern
Tyttobrycon Spinosus
Tyttobrycon spinosus
Acestrorhamphidae Least Concern
Tyttobrycon Xeruini
Tyttobrycon xeruini
Acestrorhamphidae Least Concern
Tyttocharax Cochui
Tyttocharax cochui
Stevardiidae Least Concern
Tyttocharax Tambopatensis
Tyttocharax tambopatensis
Stevardiidae Least Concern
Uaru
Uaru amphiacanthoides
Cichlidae Least Concern
Ucamara catfish
Lepthoplosternum ucamara
Callichthyidae Least Concern
Ucayali catfish
Lepthoplosternum altamazonicum
Callichthyidae Least Concern
Uganda nothobranch
Nothobranchius ugandensis
Nothobranchiidae Least Concern
Ukrainian brook lamprey
Eudontomyzon mariae
Petromyzontidae Least Concern
Ukrainian gudgeon
Gobio sarmaticus
Gobionidae Least Concern
Umatilla dace
Rhinichthys umatilla
Cyprinidae Least Concern
Umbrella cichlid
Apistogramma borellii
Cichlidae Least Concern
Umpqua dace
Rhinichthys evermanni
Cyprinidae Least Concern
Umpqua pikeminnow
Ptychocheilus umpquae
Cyprinidae Least Concern
Upjaw barb
Coptostomabarbus wittei
Cyprinidae Least Concern Edible
Upland bully
Gobiomorphus breviceps
Eleotridae Least Concern
Upper Grijalva livebearer
Poeciliopsis hnilickai
Poeciliidae Least Concern
Upper Zambezi labeo
Labeo lunatus
Cyprinidae Least Concern
Upper Zambezi squeaker
Synodontis woosnami
Mochokidae Least Concern
Upper Zambezi yellowfish
Labeobarbus codringtonii
Cyprinidae Least Concern
Upsidedown catfish
Synodontis batensoda
Mochokidae Least Concern Edible
Urucu cory
Hoplisoma urucu
Least Concern
Uruguay river sprat
Ramnogaster melanostoma
Clupeidae Least Concern
Uruguay tetra
Cheirodon interruptus
Characidae Least Concern Edible
Uruguayan eartheater
Gymnogeophagus australis
Cichlidae Least Concern Edible
Usipa
Engraulicypris sardella
Cyprinidae Least Concern
Ussuri catfish
Tachysurus ussuriensis
Bagridae Least Concern
Ussuri sharpbelly
Hemiculter lucidus
Cyprinidae Least Concern
Usumacinta molly
Poecilia kykesis
Poeciliidae Least Concern
Utah chub
Gila atraria
Cyprinidae Least Concern
Utah sucker
Catostomus ardens
Catostomidae Least Concern
Utiaritichthys Longidorsalis
Utiaritichthys longidorsalis
Serrasalmidae Least Concern
Utiaritichthys Sennaebragai
Utiaritichthys sennaebragai
Serrasalmidae Least Concern
V-lip redhorse
Moxostoma pappillosum
Catostomidae Least Concern
Vagra baril
Barilius vagra
Cyprinidae Least Concern
Vaillant's anchovy
Anchoviella vaillanti
Engraulidae Least Concern
Vaillantella Euepiptera
Vaillantella euepiptera
Vaillantellidae Least Concern