HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsFallfish Fallfish (Semotilus corporalis) Scientific name: Semotilus corporalis Mitchill, 1817 The Fallfish (Semotilus corporalis) is a freshwater fish of the family Cyprinidae. BiologyInhabits gravel-bottomed and rubble-bottomed pools and runs of small to medium rivers, and also lake margins.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSemotilus corporalisFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length51.0Common length17.1EnvironmentFreshwater; demersalClimateTemperateDistributionNorth America: Atlantic Slope from New Brunswick in Canada to James River drainage in Virginia, USA; Hudson Bay, Lake Ontario, and St. Lawrence drainages in Quebec, Ontario in Canada and New York, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesGamefish: yesResilienceLow, minimum population doubling time 4.5 - 14 years (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