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Group of Devils Hole pupfish. The Devils Hole pupfish is the smallest pupfish species in the genus Cyprinodon, [18] with lengths up to 30 mm (1.2 in). [18] The average length is 23 mm (0.9 in). [19] Males and females differ in coloration. Males are overall dark brown with metallic blue on their sides.
The Devils Hole pupfish reached a 25-year high spring count of 191 fish. For years, the fish’s population dwindled, hitting an “all-time low of 35 in 2013,” the National Park Service said in ...
Devils Hole pupfish, Cyprinodon diabolis, from Death Valley National Park. Devils Hole is the only natural habitat of the Devils Hole pupfish, which survives despite the hot, oxygen-poor water. [19] Devils Hole "may be the smallest habitat in the world containing the entire population of a vertebrate species". [4]
Inside Ash Meadows is Devils Hole, a detached unit of Death Valley National Park. Ash Meadows is within the Amargosa Desert, of the Mojave Desert ecoregion. The Amargosa River is a visible part of the valley hydrology, and has seasonal surface flow passing southwards adjacent to the preserve, to later enter Death Valley.
Before the mid-1990s, scientists counted between 200 and 250 Devils Hole pupfish each spring. But over the course of about 20 years, the fish's population count dropped to an average of about 90 ...
The Devils Hole Pupfish in Death Valley National Park had their world rocked Thursday when the magnitude 7.0 earthquake that struck off the Northern California coast sent tremors through their ...
The Death Valley pupfish live at the lowest elevations in Death Valley, where summer temperatures can reach 130 °F (54 °C). [2] The Devil's Hole pupfish is found only in a single spring-fed limestone cavern in Ash Meadows, California, and at 23 square yards (19 m 2) has the smallest known range of any vertebrate species. [2]
The highly endangered Devils Hole pupfish have previously survived seiches, most recently in 2018, 2019, and 2022, NPS said. The fish compensate by increasing spawning activity.