ENDANGERED SPECIES ACT PROFILE
PROTECTION STATUS: Not listed
RANGE: A 10-mile stretch of the Amargosa River and upland springs in Oasis Valley, Nevada
THREATS: Habitat destruction, degradation, and fragmentation due to development; water extractions and diversions; flood-control activities; off-road vehicle use; nonnative predators; ground disturbance and vegetation removal; road kills; and collecting
POPULATION TREND: Long-term population trends are not known for this species, but by 1993 the population appeared to have declined dramatically. In 2006, the Nevada Division of Wildlife estimated that the total population included about 2,000 individuals.
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