HomeFish encyclopediaRay-finned fishesPerch-like fishPerchesLongfin darter Longfin darter (Etheostoma longimanum) Scientific name: Etheostoma longimanum Jordan, 1888 The Longfin darter (Etheostoma longimanum) is a freshwater fish of the family Percidae. Native range: North America, found only in the upper James River drainage in Virginia and West Virginia in the USA. BiologyInhabits rocky riffles of creeks and small rivers.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEtheostoma longimanumFamilyPercidae (Perches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.9Common length5.3EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: found only in the upper James River drainage in Virginia and West Virginia in the USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (tmax=3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026