Devils Hole pupfish may not have been so isolated for so long

Story of how fish got stuck in the desert was possibly oversimplified

Devils Hole pupfish

FISH IN THE DESERT  Just how the Devils Hole pupfish ended up living in a single, hot pool with an iffy food supply in a Nevada desert may involve more recent events than originally thought.

Olin Feuerbacher 

The alarmingly rare Devils Hole pupfish — known from only one pool in a Nevada desert —might not be the long-isolated species it has seemed.