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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