HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsLargescale stoneroller Largescale stoneroller (Campostoma oligolepis) Scientific name: Campostoma oligolepis Hubbs & Greene, 1935 The Largescale stoneroller (Campostoma oligolepis) is a freshwater fish of the family Cyprinidae. BiologyInhabits rocky riffles and runs of clear creeks and small to medium rivers.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCampostoma oligolepisFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length22.0Common length12.0EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: upper Mississippi River and Lake Michigan drainages; Ozarkian streams; Escambia River in Alabama, USA; Mobile Bay drainage in Georgia, Alabama and Mississippi, USA; parts of Green, Cumberland and Tennessee River drainages of Kentucky, Tennessee, Georgia and Alabama, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tmax=5) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026