The Wisconsin Department of Natural Resources is asking for help from residents to keep Wisconsin safe from invasive species.

In Southern California, a quiet but widespread public health risk has taken root in the region’s freshwater fishing spots.

The DNR provides 400,000 Arctic grayling eggs to Native American tribes to stock in rivers as reintroduction plan moves ahead ...

Because of the rusty crayfish's insatiable appetite and propensity for high reproduction rates, its emergence has caused ...

Did you know 90% of freshwater game fish in southern California host parasites that could infect humans? Learn how to protect yourself.

You’ve heard for years about aquatic nuisance species, but what are they? The zebra mussel is likely the most famous. Or ...

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

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 ...

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