HomeFish encyclopediaRay-finned fishesPerch-like fishPerchesSwannanoa darter Swannanoa darter (Etheostoma swannanoa) Scientific name: Etheostoma swannanoa Jordan & Evermann, 1889 The Swannanoa darter (Etheostoma swannanoa) is a freshwater fish of the family Percidae. Native range: North America, found only in the upper Tennessee River drainage of Virginia, North Carolina and Tennessee in the USA. BiologyInhabits swift rubble riffles of small to medium rivers.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEtheostoma swannanoaFamilyPercidae (Perches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length9.0Common length7.0EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: found only in the upper Tennessee River drainage of Virginia, North Carolina and Tennessee in the USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026