HomeFish encyclopediaRay-finned fishesCatfishNorth American freshwater catfishesOrangefin madtom Orangefin madtom (Noturus gilberti) Scientific name: Noturus gilberti Jordan & Evermann, 1889 The Orangefin madtom (Noturus gilberti) is a freshwater fish of the family Ictaluridae. Native range: North America, Upper Roanoke River (including Dan River) drainage in Virginia and North Carolina, USA. BiologyInhabits rocky riffles and runs of clear, swift, small rivers.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNoturus gilbertiFamilyIctaluridae (North American freshwater catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Common length7.0EnvironmentFreshwater; demersalClimateTemperateDistributionNorth America: Upper Roanoke River (including Dan River) drainage in Virginia and North Carolina, USA.Conservation status (IUCN)Vulnerable (VU) (D2)Threat 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