欧文鳉为辐鳍鱼纲鲤齿目鲤齿亚目鲤齿鳉科的其中一种，被IUCN列为濒危保育类动物，分布于北美洲美国加州南部欧文斯河流域，体长可达4公分，栖息在沼泽、溪流，可作为观赏鱼。

• Froese, Rainer & Daniel Pauly, eds. (2012). Cyprinodon radiosus in FishBase. 2012年8月版本

The Owens pupfish (Cyprinodon radiosus) is a rare species of fish in the family Cyprinodontidae, the pupfish. It is endemic to California in the United States, where it is limited to the Owens Valley. It is a federally listed endangered species of the United States. This pupfish is up to 5 centimetres (2.0 inches) long, the largest males sometimes longer. The male is blue-gray, turning bright blue during spawning. The female is greenish brown with a silvery or whitish belly.