Changing migration patterns due to climate change are affecting the alewives', a fish found in the Northern Atlantic Ocean.

A UC San Diego’s Scripps Institution of Oceanography study published Tuesday found that more than 90% of freshwater game fish ...

The Great Lakes have been victimized by invasive populations of mussels for years. The zebra and quagga mussels are a danger ...

The study is the first time the parasites have been recorded with such a widespread presence in the state’s fish.

New research indicates that two species of a fish-borne parasite infect several species of common freshwater fish in ...

BLADENSBURG, Maryland - Perhaps on another day, the calm waters and green trees on the Anacostia River here would have been an escape from downtown D.C. about seven miles away.

Golden mussels are spreading rapidly, disrupting ecosystems, displacing native species clogging water treatment systems and ...

The biggest source of salty freshwater in D.C. and other major northern inland cities is an overapplication of road salt to thaw winter ice, which runs off into rivers or the ground.

The parasites are called trematodes. Two species of the flatworms were discovered in California’s freshwater fish, according ...

A UC San Diego study finds that more than 90% of freshwater game fish in Southern California had parasites capable of ...