Stefan Lovgren writes on how freshwater fish from the Arctic to Africa are endanged by climate change and the unpredictable ...

Researchers from the University of Jyväskylä found brown trout better survived a Flavobacterium disease outbreak if the fish had larvae of freshwater pearl mussel in their gills. In another study, ...

Kumeyaay Lake at Mission Trails Regional Park. (File photo by Luis Monteagudo Jr.) A UC San Diego study published Tuesday found that more than 90% of freshwater game fish in Southern California had ...

In Southern California, a quiet but widespread public health risk has taken root in the region’s freshwater fishing spots. Researchers from Scripps Institution of Oceanography at UC San Diego recently ...

In a world where most freshwater fish are lucky to see a decade, one species quietly pushes past 100 and can reach 120 years ...

Leeches might seem like relics of a bygone age of medicine, but they haven’t outlived their usefulness to people yet. The freshwater leech Helobdella austinensis can eat its weight in snails every day ...

The disease, called melioidosis, is usually seen only in tropical areas outside of the U.S. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A ...

Piranhas, known for their sharp teeth and powerful jaws, are efficient hunters in South American freshwater ecosystems. They exhibit complex social behaviour, hunting in schools and using advanced ...

Larvae of the freshwater pearl mussel can give protection against bacterial infection Glochidium larvae of the freshwater pearl mussel attach to salmon or trout gills, where they develop and grow for ...