Walleyes and perch taken from Minnesota lakes infested with zebra mussels contain starkly higher levels of mercury than those ...

The microscopic golden mussels have been found in the Sacramento-San Joaquin Delta. Water officials are working to prevent ...

There have been no zebra mussels found in the Colorado River since July.Colorado Parks and Wildlife finished sampling efforts ...

Most ships discharging ballast water into California waters are inspected, but state officials have tested the water of only ...

Colorado Parks and Wildlife has ended testing for invasive zebra mussels for the year, but not for good, in the Colorado ...

Until 2018, Upper Lake and Lower Red Lake remained the only large walleye lake in the state still free from zebra mussels.

The reason the researchers feel confident in this correlation between zebra mussel presence and elevated mercury levels is ...

A study found that invasive zebra mussels significantly alter aquatic ecosystems, and are associated with elevated mercury ...

Zebra mussels are significantly altering the ecosystems of Minnesota lakes, according to a study that ties the invasive ...

The results were unexpected: They found adult walleye in lakes infested with zebra mussels had 72% higher mercury ...