A precipitious drop in the population of the Devils Hole pupfish, an iridescent blue minnow found only in a hot spring-fed pool in the Nevada desert, is confounding scientists. After a 90 percent population drop off, numbers rose slightly in the most recent count. “It’s not up a lot,” said Paul Barrett ’80, the U.S. Fish and Wildlife Service biologist coordinating the research. “That’s true. But we may have bottomed out and stopped the decline, and in my book that’s a winner.” [More...]