HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsOzark minnow Ozark minnow (Notropis nubilus) Scientific name: Notropis nubilus Forbes, 1878 The Ozark minnow (Notropis nubilus) is a freshwater fish of the family Cyprinidae. BiologyInhabits gravel-bottomed and rubble-bottomed flowing pools and backwaters of creeks and small to medium rivers. Rarely found in large rivers.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNotropis nubilusFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length9.3EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: disjunct populations in upper Red Cedar River system in northern Wisconsin, USA; Mississippi River tributaries in southeastern Minnesota, eastern Iowa, southern Wisconsin and northern Illinois, USA; Ozark Mountain drainages, USA; and Boggy Creek system in Oklahoma, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tmax=4) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026