Consuming locally caught fish from rivers and lakes may expose people to dangerous levels of “forever chemicals,” known as ...

Thousands of fish species are facing "catastrophic" decline — threatening the health, food security and livelihoods of hundreds of millions of people around the world. New research shows that ...

All hail the GloFish: The heir to the Day-Glo poster, the strobe light and the lava lamp and, if a Texas company has its way, the first genetically engineered household pet. Transgenic zebrafish, ...

Water quality in rivers and dams is decaying all over the world, and metal pollution is a major factor. Meanwhile, freshwater resources are very limited. A tiny fish louse shows promise as a sensitive ...

Captive-raised specimens of some of the world’s largest and most critically endangered freshwater fish—including a five-foot-long Mekong giant catfish—were released this month into Cambodia’s Tonle ...

More than 90% of popular freshwater game fish in Southern California contained an introduced parasite capable of infecting humans, according to a new study from researchers at UC San Diego’s Scripps ...