HomeFish encyclopediaRay-finned fishesCarpsSuckersGolden redhorse Golden redhorse (Moxostoma erythrurum) Scientific name: Moxostoma erythrurum Rafinesque, 1818 The Golden redhorse (Moxostoma erythrurum) is a freshwater fish of the family Catostomidae. BiologyOccurs in mud-bottomed to rock-bottomed pools, runs and riffles of creeks and small to large rivers. Occasionally found in lakes. Feeds on immature mayflies, caddisflies and midges.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMoxostoma erythrurumFamilyCatostomidae (Suckers)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length78.0Common length28.8EnvironmentFreshwater; demersalClimateTemperateDistributionNorth America: Great Lakes, Hudson Bay, and Mississippi River basins from New York in USA and Ontario in Canada to North Dakota and south to Alabama and Oklahoma in USA; isolated in southwestern Mississippi, USA; from Potomac River in Maryland to Roanoke River in North Carolina, USA; Mobile Bay drainage in USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesGamefish: yesResilienceLow, minimum population doubling time 4.5 - 14 years (tmax=11) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026