Owens pupfish
(Cyprinodon radiosus)
Description
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. The pupfish tolerates a wide range of water conditions.Its native habitat includes desert marshes with water temperatures up to 33 °C in the summer and layers of ice during the winter.The water in some areas has four times the salt content of the ocean,as well as low oxygen.
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