HomeFish encyclopediaRay-finned fishesCatfishNorth American freshwater catfishesCaddo madtom Caddo madtom (Noturus taylori) Scientific name: Noturus taylori Douglas, 1972 The Caddo madtom (Noturus taylori) is a freshwater fish of the family Ictaluridae. Native range: North America, Caddo, Ouachita and Little Missouri rivers in southwestern Arkansas, USA. BiologyInhabits rocky riffles, pools and shoals near shorelines of small to medium rivers.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNoturus tayloriFamilyIctaluridae (North American freshwater catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length7.7Common length3.9EnvironmentFreshwater; demersalClimateTemperateDistributionNorth America: Caddo, Ouachita and Little Missouri rivers in southwestern Arkansas, USA.Conservation status (IUCN)Vulnerable (VU) (D2)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (tm SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026