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Jae C. Hong / Associated Press

Information posted concerning the Devil's Hole Pupfish is shown through a protective fence at Devil's Hole, the endangered Devil's Hole Pupfish's only natural habitat, in Death Valley National Park, Nev., April 6, 2006.

Devils Hole pupfish population reaches a 25-year high in census

Posted 2:00 a.m.

By Rhiannon Saegert

A population spurt for the Devils Hole pupfish, a critically endangered fish at Death Valley National Park, is giving scientists cause for optimism, the National Park Service said. Scientists from the park service, the Nevada Department of Wildlife and the U.S. Fish and Wildlife Service counted 191 pupfish at Devils Hole over the course of ...