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 ...

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 ...

Nipping at the heels of potential mates, the stout, ray-finned pupfish gained its namesake from its striking resemblance to frolicking young puppies. Cousins to the well-known guppy, pupfish are not ...

The area is surrounded by 10-foot-tall fencing, a fortress erected to protect an endangered species of pupfish found there. From our morning news briefing to a weekly Good News Newsletter ...

DESCRIPTION: The desert pupfish is a small, silver-colored fish with dark vertical bars on its sides. It has a short, compressed head, an upturned mouth, a thick, chubby body, and rounded fins. Males ...

The aquatic marvel in question is the Devils Hole pupfish. The species lives nowhere in the world but inside a secluded cave, the depth of which is unknown, in a section of Ash Meadows National ...