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 ...

In just about 50 years, the Devils River minnow has gone from being one of the most abundant native fishes in southern Texas to one of the rarest fishes in the world. Requiring clean spring waters for ...

For years, "devil fish" in Mexico were worthless. Now, that's starting to change. One entrepreneur in California works with fishermen in Tabasco to turn the devils into pet treats. And a local ...