A new blind fish species, Gitchak nakana, discovered in Assam, features a unique skull structure and translucent appearance.

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 ...