As hardy as it is, the desert pupfish must struggle to stay alive against the impacts of livestock grazing, water diversions, and competition from nonnative species. The Center first championed the ...

With about 130 remaining on Earth, the Devils Hole pupfish is the world's rarest fish. Scientists believe the fish has lived in relative isolation just outside of Nevada's Death Valley for about ...

The U.S. Fish and Wildlife Service has announced plans to list the Pecos pupfish as a threatened species. Pupfish are less than two inches long and their colors vary from gray, brown, to ...

LAS VEGAS (KLAS) — There is some promising news about the population of one of the world’s rarest fishes that live in a deep water-filled cavern known as Devils Hole in Nye County, Nevada.

“Then you have these fish that are popping out of little hiding spots between the rocks.” The pupfish truly are puppylike, Goldstein said, squabbling with one another and chasing other fish aroun ...