HomeFish encyclopediaRay-finned fishesCarpsSuckersShorthead redhorse Shorthead redhorse (Moxostoma macrolepidotum) Scientific name: Moxostoma macrolepidotum Lesueur, 1817 The Shorthead redhorse (Moxostoma macrolepidotum) is a freshwater fish of the family Catostomidae. BiologyInhabit rocky pools, runs and riffles in small to large rivers. Also occur in lakes. Adults feed on benthic insect larvae; juveniles consume microcrustacea and midge larvae.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMoxostoma macrolepidotumFamilyCatostomidae (Suckers)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length75.0Common length40.8EnvironmentFreshwater; demersalClimateTemperateDistributionNorth America: Great Lakes-St. Lawrence River, Hudson Bay and Mississippi River basins from Quebec to Alberta in Canada and south to northern Alabama and Oklahoma in the USA; Atlantic Slope drainages from Hudson River in New York to Santee River in South Carolina, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesGamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tmax=9) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026