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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
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