HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsShoal chub Shoal chub (Macrhybopsis hyostoma) Scientific name: Macrhybopsis hyostoma Gilbert, 1884 The Shoal chub (Macrhybopsis hyostoma) is a freshwater fish of the family Cyprinidae. Native range: North America, U.S.A. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 8; Anal spines: 0; Anal soft rays: 7. Sides of the body light tan or silvery with numerous black pepper-like spots. Belly white. Fins clear. Shape of the body is fusiform with the ventral area somewhat dorso-ventrally flattened. Mouth inferior with any teeth, small, but conspicuous barbels at the corners of the mouth (Ref 53793).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMacrhybopsis hyostomaFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: U.S.A.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026