A new species of Amazonian fish, Pyrrhulina punctata, has been discovered in Peru, revealing previously unknown biodiversity ...

For years, scientists assumed one small freshwater fish had slipped out of existence without much notice. Moema claudiae vanished from official records after 2003, last seen in a temporary wetland in ...

Rainbow belly pipefish are captivating creatures. With their vibrant bodies, beautifully decorated sails, and graceful ...

Populations of migratory freshwater fish have collapsed by 81% since 1970, according to the most recent Living Planet Index ...

Smallmouth bass are one of the freshwater fish species found to have higher concentrations of PFAS. (Getty Images) A new study found high levels of toxic “forever chemicals” in freshwater fish ...