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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
New River shiner
Miniellus scabriceps
Least Concern
New River shiner
Notropis scabriceps
Cyprinidae Least Concern
Nga lampeye
Plataplochilus ngaensis
Poeciliidae Least Concern Edible
Nicaraguan mosquitofish
Gambusia nicaraguensis
Poeciliidae Least Concern
Niger barb
Labeobarbus bynni
Cyprinidae Least Concern Edible
Nigerian fangtooth pellonuline
Odaxothrissa mento
Dorosomatidae Least Concern
Night aulonocara
Aulonocara hueseri
Cichlidae Least Concern Edible
Nijssen's Hypopygus
Hypopygus nijsseni
Rhamphichthyidae Least Concern
Nile bichir
Polypterus bichir
Polypteridae Least Concern Edible
Nile killifish
Micropanchax loati
Poeciliidae Least Concern
Nile labeo
Labeo niloticus
Cyprinidae Least Concern
Nile Minnow
Leptocypris niloticus
Cyprinidae Least Concern
Nile perch
Lates niloticus
Latidae Least Concern
Nile tilapia
Oreochromis niloticus
Cichlidae Least Concern
Nimbapanchax Leucopterygius
Nimbapanchax leucopterygius
Nothobranchiidae Least Concern
Nimbapanchax Maeseni
Nimbapanchax maeseni
Nothobranchiidae Least Concern
Nine ray toothcarp
Phalloceros enneaktinos
Poeciliidae Least Concern
Ningu
Labeo victorianus
Cyprinidae Least Concern Edible
Niobichthys Ferrarisi
Niobichthys ferrarisi
Loricariidae Least Concern
Niwaella Delicata
Niwaella delicata
Cobitidae Least Concern
Niwaella Longibarba
Niwaella longibarba
Cobitidae Least Concern
Nkupe
Distichodus mossambicus
Distichodontidae Least Concern
Nomorhamphus Pectoralis
Nomorhamphus pectoralis
Zenarchopteridae Least Concern
Nomorhamphus Rex
Nomorhamphus rex
Zenarchopteridae Least Concern
Nomorhamphus Viviparus
Nomorhamphus viviparus
Zenarchopteridae Least Concern
Norman's lampeye
Poropanchax normani
Poeciliidae Least Concern
North African catfish
Clarias gariepinus
Clariidae Least Concern
North Caucasian bleak
Alburnus hohenackeri
Cyprinidae Least Concern
North Caucasian longbarbel gudgeon
Romanogobio ciscaucasicus
Cyprinidae Least Concern
Northern brook lamprey
Ichthyomyzon fossor
Petromyzontidae Least Concern
Northern checkmark cichlid
Chuco intermedium
Least Concern
Northern checkmark cichlid
Theraps intermedius
Cichlidae Least Concern
Northern hog sucker
Hypentelium nigricans
Catostomidae Least Concern
Northern kongnose cory
Corydoras septentrionalis
Callichthyidae Least Concern
Northern medaka
Oryzias sakaizumii
Adrianichthyidae Least Concern
Northern mogurnda
Mogurnda aurifodinae
Eleotridae Least Concern
Northern paradise fish
Polynemus aquilonaris
Polynemidae Least Concern Edible
Northern pearl dace
Margariscus nachtriebi
Cyprinidae Least Concern
Northern pike
Esox lucius
Esocidae Least Concern
Northern pikeminnow
Ptychocheilus oregonensis
Cyprinidae Least Concern Edible
Northern plains killifish
Fundulus kansae
Fundulidae Least Concern
Northern redbelly dace
Chrosomus eos
Cyprinidae Least Concern Edible
Northern rivers catfish
Brustiarius utarus
Ariidae Least Concern
Northern studfish
Fundulus catenatus
Fundulidae Least Concern Edible
Northern tandan
Neosilurus gjellerupi
Plotosidae Least Concern
Northern trout gudgeon
Mogurnda mogurnda
Eleotridae Least Concern
Northern whitefin gudgeon
Romanogobio belingi
Cyprinidae Least Concern
Nose stribed cory
Hoplisoma lymnades
Least Concern