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

Researchers identified a new freshwater fish species in South Africa after years of genetic testing and analysis.

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

In the slow-moving canals and shadowy marshes of the Florida Everglades live some of the most dangerous creatures. You ...