
The SciencesNovember 1, 1971
The Desert Pupfish
More than 20 populations of these hardy fish are found in tiny aquatic "islands" in the vicinity of Death Valley. Isolated for thousands of years, they have evolved into four distinct species

The Desert Pupfish
More than 20 populations of these hardy fish are found in tiny aquatic "islands" in the vicinity of Death Valley. Isolated for thousands of years, they have evolved into four distinct species