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The Devils Hole pupfish (Cyprinodon diabolis) is a critically endangered species of the family Cyprinodontidae (pupfishes) found only in Devils Hole, a water-filled cavern in the US state of Nevada. It was first described as a species in 1930 and is most closely related to C. nevadensis and the Death Valley pupfish ( C. salinus ).
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]
1 Devils Hole pupfish. Toggle the table of contents. Template: Did you know nominations/Devils Hole pupfish. Add languages. Add links. Template; ... Download QR code ...
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 (Cyprinodon diabolis) is a specific species native to Nevada. There are fewer than 200 individuals since 2005. Their population size usually fluctuates between 37 and 400 fish. They are considered one of the world's rarest fish. These fish live in 94 °F (34.4 °C) waters. [12]
Cyprinodon variegatus is the most widespread member of the genus. Cyprinodon diabolis is very rare; its entire native range is the Devils Hole in Nevada. A few Cyprinodon species have quite large ranges, notably C. variegatus, but the vast majority have small ranges, typically restricted to one or two Mexican states or U.S. states, Hispaniola, or a Bahaman island.
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.