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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
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