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

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 ...

Scientists used AI to analyze 10,631 freshwater fish species and found that stable, connected rivers are critical for ...

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

To survive in the frigid ocean waters around the Arctic and Antarctica, marine life evolved many defenses against the lethal cold. One common adaptation is the ability to make antifreezing proteins ...