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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
aquarium
Reganochromis calliurus
Cichlidae Least Concern Edible
aquarium
Nimbochromis linni
Cichlidae Least Concern Edible
aquarium
Nannacara aureocephalus
Cichlidae Least Concern Edible
aquarium
Gymnogeophagus meridionalis
Cichlidae Least Concern Edible
aquarium
Hypancistrus debilittera
Loricariidae Least Concern Edible
aquarium, bait
Betta raja
Osphronemidae Least Concern Edible
aquarium, bait
Esomus thermoicos
Cyprinidae Least Concern
Aquilonium Peacock
Aulonocara aquilonium
Cichlidae Least Concern
Arabibarbus Arabicus
Arabibarbus arabicus
Cyprinidae Least Concern
Aracu
Laemolyta proxima
Anostomidae Least Concern
Aracu-pau-de-vaqueiro
Rhytiodus argenteofuscus
Anostomidae Least Concern
Araguaia cory
Hoplisoma araguaiaense
Least Concern
Arawana
Osteoglossum bicirrhosum
Osteoglossidae Least Concern Edible
Archolaemus Blax
Archolaemus blax
Sternopygidae Least Concern
Archolaemus Ferreirai
Archolaemus ferreirai
Sternopygidae Least Concern
Archolaemus Janeae
Archolaemus janeae
Sternopygidae Least Concern
Archolaemus Luciae
Archolaemus luciae
Sternopygidae Least Concern
Arctic grayling
Thymallus arcticus
Salmonidae Least Concern
Argentine humphead
Gymnogeophagus balzanii
Cichlidae Least Concern Edible
Argentinian toothcarp
Phallotorynus victoriae
Poeciliidae Least Concern
Argonectes Longiceps
Argonectes longiceps
Hemiodontidae Least Concern
Argonectes Robertsi
Argonectes robertsi
Hemiodontidae Least Concern
Argopleura Chocoensis
Argopleura chocoensis
Stevardiidae Least Concern
Argopleura Diquensis
Argopleura diquensis
Stevardiidae Least Concern
Argopleura Magdalenensis
Argopleura magdalenensis
Stevardiidae Least Concern
Arinos cory
Hoplisoma apiaka
Least Concern
Arius Acutirostris
Arius acutirostris
Ariidae Least Concern
Arius Burmanicus
Arius burmanicus
Ariidae Least Concern
Arkansas saddled darter
Etheostoma euzonum
Percidae Least Concern
Arrow loach
Nemacheilus masyae
Nemacheilidae Least Concern Edible
Arrowhead shovelnose
Sorubim trigonocephalus
Pimelodidae Least Concern
Arroyo cichlid
Theraps irregularis
Cichlidae Least Concern
Arsuz bleak
Alburnus kotschyi
Cyprinidae Least Concern
Aru gudgeon
Oxyeleotris aruensis
Eleotridae Least Concern Edible
Aru rainbowfish
Melanotaenia aruensis
Melanotaeniidae Least Concern
Aruana toothcarp
Poecilia araguaiensis
Poeciliidae Least Concern
Asian Banjo Catfish
Acrochordonichthys rugosus
Akysidae Least Concern
Asian bumblebee catfish
Pseudomystus siamensis
Bagridae Least Concern Edible
Asian Dwarf Mudskipper
Periophthalmodon septemradiatus
Gobiidae Least Concern
Asian redtail catfish
Hemibagrus nemurus
Bagridae Least Concern Edible
Asian swamp eel
Monopterus albus
Synbranchidae Least Concern Edible
Asp
Leuciscus aspius
Cyprinidae Least Concern Edible
Aspidoras Microgalaeus
Aspidoras microgalaeus
Callichthyidae Least Concern
Aspidoras Spilotus
Aspidoras spilotus
Callichthyidae Least Concern
Aspidoras Taurus
Aspidoras taurus
Callichthyidae Least Concern
Asprocottus Intermedius
Asprocottus intermedius
Abyssocottidae Least Concern
Asprocottus Parmiferus
Asprocottus parmiferus
Abyssocottidae Least Concern
Asprocottus Platycephalus
Asprocottus platycephalus
Abyssocottidae Least Concern