Recent findings show bigmouth buffalo fish have perplexingly long lives and appear to get healthier as they age. But ...

The Lufubu River fish turned out to be subtly but consistently distinct from other known species. Researchers realized they’d discovered a new species: Telmatochromis salzburgeri, or Salzburg ...

Rocha, a scientist and curator at the California Academy of Sciences in San Francisco, thought the fish was so unusual that ...

A scientific expedition to Peru has yielded a treasure trove of 27 new species, including an amphibious mouse, a "blob-headed" fish, and other zoological oddities. Ronald Diaz/Conservation ...

LAKE SUPERIOR, Mich. — Researchers on Lake Superior have "rediscovered" the shortnose cisco, a Great Lakes fish species thought to have been extinct for decades. Before the usual suspects ...