HomeFish encyclopediaRay-finned fishesPerch-like fishPerchesRoanoke logperch Roanoke logperch (Percina rex) Scientific name: Percina rex Jordan & Evermann, 1889 The Roanoke logperch (Percina rex) is a freshwater fish of the family Percidae. Native range: North America, upper Roanoke, upper Dan and upper Chowan River systems (in Roanoke River drainage) in Virginia, USA. BiologyOccurs in gravel and boulder runs of small to medium rivers.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePercina rexFamilyPercidae (Perches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Common length9.8EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: upper Roanoke, upper Dan and upper Chowan River systems (in Roanoke River drainage) in Virginia, USA.Conservation status (IUCN)Vulnerable (VU) (B1+2c, D2)Threat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tmax=6) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026