HomeFish encyclopediaRay-finned fishesCatfishNorth American freshwater catfishesSnail bullhead Snail bullhead (Ameiurus brunneus) Scientific name: Ameiurus brunneus Jordan, 1877 The Snail bullhead (Ameiurus brunneus) is a freshwater fish of the family Ictaluridae. BiologyInhabits rocky riffles, runs and flowing pools of swift streams. Rarely found in backwaters.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAmeiurus brunneusFamilyIctaluridae (North American freshwater catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length29.0EnvironmentFreshwater; demersalClimateSubtropicalDistributionNorth America: Atlantic Slope from Dan River system in southern Virginia south to Altamaha River drainage in Georgia, and middle St. Johns River drainage in Florida, USA; Gulf Slope in Apalachicola River drainage in Georgia, Alabama and Florida, USA. Recently reported from upper Coosa River system in Georgia, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026