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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.
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]
Several pupfish species are extinct and most extant species are listed. In the U.S., the most well-known pupfish species may be the Devils Hole pupfish, native to Devils Hole on the Nevada side of Death Valley National Park. Since 1995 the Devils Hole pupfish has been in a nearly steady decline, where it was close to extinction at 35–68 fish ...
Cyprinodon nevadensis is a species of pupfish in the genus Cyprinodon. [3] The species is also known as the Amargosa pupfish, [3] but that name may also refer to one subspecies, Cyprinodon nevadensis amargosae. [4] All six subspecies are or were endemic to very isolated locations in the Mojave Desert of California and Nevada.
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 ...
Some of these habitats can be rather extreme; the only natural habitat of the Devils Hole pupfish (Cyprinodon diabolis) is Devils Hole: a cavern at least 91 metres (299 ft) deep, branching out from a small opening at the surface, approximately 1.8 metres (6 ft) by 5.5 metres (18 ft) wide.
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