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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
Armenian mountain cat
Glyptothorax armeniacus
Sisoridae
Armitagei's striped rasbora
Rasbora armitagei
Cyprinidae Critically Endangered
Arno goby
Padogobius nigricans
Gobiidae Endangered
Arnold's killi
Fundulopanchax arnoldi
Nothobranchiidae Endangered
Arrow cichlid
Amphilophus zaliosus
Cichlidae Critically Endangered
Arrow darter
Etheostoma sagitta
Percidae Near Threatened
Arrow loach
Nemacheilus masyae
Nemacheilidae Least Concern Edible
Arrowhead shovelnose
Sorubim trigonocephalus
Pimelodidae Least Concern
Arroyo chub
Gila orcuttii
Cyprinidae Vulnerable
Arroyo cichlid
Theraps irregularis
Cichlidae Least Concern
Arsuz bleak
Alburnus kotschyi
Cyprinidae Least Concern
Arthurs galaxias
Paragalaxias mesotes
Endangered
Aru gudgeon
Oxyeleotris aruensis
Eleotridae Least Concern Edible
Aru rainbowfish
Melanotaenia aruensis
Melanotaeniidae Least Concern
Arua dwarf cichlid
Apistogramma arua
Cichlidae Data Deficient
Aruana toothcarp
Poecilia araguaiensis
Poeciliidae Least Concern
Arulius barb
Dawkinsia arulius
Cyprinidae Endangered Edible
Arunachal barb
Pethia arunachalensis
Cyprinidae
Ash Meadows killifish
Empetrichthys merriami
Goodeidae EX
Ashy darter
Etheostoma cinereum
Percidae Vulnerable
Asian Banjo Catfish
Acrochordonichthys rugosus
Akysidae Least Concern
Asian bonytongue
Scleropages formosus
Osteoglossidae Endangered Edible
Asian bumblebee catfish
Pseudomystus siamensis
Bagridae Least Concern Edible
Asian Dwarf Mudskipper
Periophthalmodon septemradiatus
Gobiidae Least Concern
Asian freshwater goby
Acanthogobius ommaturus
Gobiidae
Asian freshwater goby
Synechogobius ommaturus
Gobiidae
Asian redtail catfish
Hemibagrus nemurus
Bagridae Least Concern Edible
Asian swamp eel
Monopterus albus
Synbranchidae Least Concern Edible
Asoka barb
Systomus asoka
Cyprinidae Critically Endangered Edible
Asp
Leuciscus aspius
Cyprinidae Least Concern Edible
Aspidoras Aldebaran
Aspidoras aldebaran
Callichthyidae
Aspidoras Azaghal
Aspidoras azaghal
Callichthyidae
Aspidoras Eurycephalus
Aspidoras eurycephalus
Callichthyidae Data Deficient
Aspidoras Kiriri
Aspidoras kiriri
Callichthyidae
Aspidoras Marianae
Aspidoras marianae
Callichthyidae
Aspidoras Menezesi
Aspidoras menezesi
Callichthyidae Near Threatened
Aspidoras Mephisto
Aspidoras mephisto
Callichthyidae
Aspidoras Microgalaeus
Aspidoras microgalaeus
Callichthyidae Least Concern
Aspidoras Spilotus
Aspidoras spilotus
Callichthyidae Least Concern
Aspidoras Taurus
Aspidoras taurus
Callichthyidae Least Concern
Asprete
Romanichthys valsanicola
Percidae Critically Endangered
Asprocottus Intermedius
Asprocottus intermedius
Abyssocottidae Least Concern
Asprocottus Korjakovi
Asprocottus korjakovi
Abyssocottidae Data Deficient
Asprocottus Minor
Asprocottus minor
Abyssocottidae Data Deficient
Asprocottus Parmiferus
Asprocottus parmiferus
Abyssocottidae Least Concern
Asprocottus Platycephalus
Asprocottus platycephalus
Abyssocottidae Least Concern
Asprocottus Pulcher
Asprocottus pulcher
Abyssocottidae Least Concern
Assam Badis
Badis assamensis
Badidae Data Deficient