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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
Siouan thinlip chub
Cyprinella leptocheilus
Cyprinidae
Sipsey fork darter
Etheostoma michellae
Percidae
Sirajo
Sicydium plumieri
Gobiidae Data Deficient
Sisor Barakensis
Sisor barakensis
Sisoridae Vulnerable
Sisor Chennuah
Sisor chennuah
Sisoridae Data Deficient
Sisor Pakistanicus
Sisor pakistanicus
Sisoridae Data Deficient
Sisor Rabdophorus
Sisor rabdophorus
Sisoridae Least Concern
Sisor Rheophilus
Sisor rheophilus
Sisoridae Data Deficient
Sisor Torosus
Sisor torosus
Sisoridae Data Deficient
Six-banded tiger barb
Desmopuntius hexazona
Cyprinidae Least Concern Edible
Sixbar distichodus
Distichodus sexfasciatus
Distichodontidae Least Concern Edible
Sixbar panchax
Epiplatys sexfasciatus
Nothobranchiidae Least Concern Edible
Sixray corydoras
Gastrodermus pauciradiatus
Least Concern
Sixray corydoras
Aspidoras pauciradiatus
Callichthyidae Least Concern
Skadar gudgeon
Gobio skadarensis
Gobionidae Least Concern
Skiotocharax Meizon
Skiotocharax meizon
Crenuchidae Vulnerable
Skunk botia
Yasuhikotakia morleti
Botiidae Least Concern Edible
Skunk corydoras
Brochis arcuatus
Least Concern
Skunk corydoras
Corydoras arcuatus
Callichthyidae Least Concern
Sky Blue Borneo sucker
Gastromyzon aeroides
Balitoridae Least Concern
Sky-blue killi
Aphyosemion coeleste
Nothobranchiidae Vulnerable
Skygazer shiner
Notropis uranoscopus
Cyprinidae Least Concern
Skygazer shiner
Miniellus uranoscopus
Least Concern
Slabrock darter
Etheostoma smithi
Percidae Least Concern
Slackwater darter
Etheostoma boschungi
Percidae Endangered
Slate cory
Corydoras concolor
Callichthyidae Near Threatened
Slate cory
Hoplisoma concolor
Near Threatened
Sleek lates
Lates stappersii
Latidae Vulnerable
Sleek mosquitofish
Gambusia luma
Poeciliidae Least Concern
Sleeping beauty tetra
Moenkhausia bellasomniosa
Acestrorhamphidae
Sleepy cod
Oxyeleotris lineolata
Eleotridae Least Concern
Slender barb
Enteromius unitaeniatus
Cyprinidae Least Concern
Slender carp gudgeon
Hypseleotris ejuncida
Eleotridae Critically Endangered
Slender chub
Erimystax cahni
Cyprinidae Endangered
Slender eel goby
Taenioides gracilis
Gobiidae Least Concern Edible
Slender happy
Chetia gracilis
Cichlidae Least Concern
Slender Hemiodus
Hemiodus gracilis
Hemiodontidae Least Concern Edible
Slender horseface loach
Acantopsis ioa
Cobitidae
Slender lungfish
Protopterus dolloi
Protopteridae Least Concern
Slender madtom
Noturus exilis
Ictaluridae Least Concern
Slender mountain catfish
Amphilius marshalli
Amphiliidae
Slender mouth almighty
Glossamia narindica
Apogonidae Vulnerable
Slender pike cichlid
Teleocichla centisquama
Cichlidae Vulnerable Edible
Slender pipefish
Microphis caudocarinatus
Syngnathidae Data Deficient
Slender piranha
Serrasalmus elongatus
Serrasalmidae Least Concern
Slender rainbowfish
Melanotaenia gracilis
Melanotaeniidae Endangered
Slender rasbora
Rasbora daniconius
Cyprinidae Least Concern
Slender redfin
Pseudobarbus tenuis
Cyprinidae Near Threatened