Threatened fishes of the world: Oregonichthys crameri (Snyder, 1908) (Cyprinidae).

This article describes the Oregon Chub fish (Oregonichthys crameri) (Snyder, 1908) (Cyprinidae) one of the threatened fishes of the world. This fish is protected by state law in Oregon. It is listed as a species of concern under the U.S. Endangered Species Act. Its features are described in detail and it is compared with other species with which it is associated. The author discusses the species' entire range and population distributions. He also describes how the fish utilizes various habitats during different seasons. The fish's diet is described as are the environmental conditions it prefers or tolerates. Interspecies competition is discussed along with preferred substrates. The fish's life-cycle is described and threats are listed together with conservation actions and recommendations.