Freshwater fish species have an uphill battle for survival, especially with a changing ecosystem. “So, we’re trying to see ...

Earth’s vertebrate diversity may be far richer than anyone realized. A sweeping analysis of more than 300 studies suggests that for every known fish, bird, reptile, amphibian, or mammal species, there ...

Reef fish in different oceans often develop similar color patterns because evolution explores the same set of biological possibilities.

A research team traveled to South Africa’s Umzimkhulu River in 2017 with a specific mission: find surviving pockets of the Maluti redfin minnow, a species declared extinct after introduced trout ...