Scientists deciphered some of the strange and unique sounds made by 8 fish species along the coast of British Columbia.

The stippled studfish, a freshwater species found only in Alabama, is “swimming closer to Endangered Species Act protection” ...

Thousands of fish species — about 2,500 of them named — call the Amazon River home, but scientists estimate nearly half of the marine creatures lurking in the massive stretch of water remain ...

When endangered species reach low numbers, their survival can depend on whether or not they have new habitats to live in, ...