Las Vegas Sun

December 20, 2014

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FILE - This April 6, 2006 file photo shows Biologist Mike Bower, left, with the National Park Service, with Fish and Wildlife Service field supervisor Cynthia Martinez, in Devil's Hole, the endangered Devil's Hole Pupfish's only natural habitat, at Death Valley National Park in Nev. For 10,000 years, a tiny iridescent blue fish has lived in the depths of the cavern in Nevada's desert, but a new study says climate change and warming waters, and its lack of mobility, are threatening the pupfish and decreasing its numbers.

AP Photo/Jae C. Hong, File

FILE - This April 6, 2006 file photo shows Biologist Mike Bower, left, with the National Park Service, with Fish and Wildlife Service field supervisor Cynthia Martinez, in Devil's Hole, the endangered Devil's Hole Pupfish's only natural habitat, at Death Valley National Park in Nev. For 10,000 years, a tiny iridescent blue fish has lived in the depths of the cavern in Nevada's desert, but a new study says climate change and warming waters, and its lack of mobility, are threatening the pupfish and decreasing its numbers.