HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsUmpquachub Umpquachub (Oregonichthys kalawatseti) Scientific name: Oregonichthys kalawatseti Markle, Pearsons & Bills, 1991 The Umpquachub (Oregonichthys kalawatseti) is a freshwater fish of the family Cyprinidae. Species factsScientific nameOregonichthys kalawatsetiFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length4.9EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: most of the Umpqua river, from near the mouth of the Smith River in the north to Cow Creekand the South Umpqua near the boundary of the Umpqua National Forest in the south.Conservation status (IUCN)Lower Risk: near threatened (LR/nt)Threat 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