The cytogenetics of fish species encompasses the study of chromosome structure, number and organisation within diverse aquatic taxa. This field underpins our understanding of evolutionary mechanisms, ...

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 ...

A vampire hedgehog, a pygmy pipehorse and a "blob-headed" fish were among the hundreds of new species identified in 2024. The variety of species identified was quite eclectic and names for the new ...

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

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

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