The clock is ticking as Lake Superior is warming fast, which may create more suitable habitat for the Great Lakes' most destructive invasive species.

A new study has found another negative effect of invasive zebra mussels in lakes: higher levels of mercury in fish. Researchers from the University of Minnesota, the U.S. Geological Survey and other ...

Walleyes and perch taken from Minnesota lakes infested with zebra mussels contain starkly higher levels of mercury than those taken from uninvaded lakes, according to new University of Minnesota ...

Discoveries of the invasive and damaging zebra mussels have been piling up in Western Colorado, with recent detections in Eagle County, the Colorado River, and other waterways. Zebra mussels — and ...

Zebra mussels have invaded North America in a serious way. From the Canadian border to the Mississippi River, the National Park Service notes, these ecological nuisances have made themselves known.

Anglers catching fish in zebra mussel-infested lakes may be reeling in adult walleyes with mercury content 72% higher and perch with 157% higher levels than those being caught on non-infested lakes.

New rounds of samples for the voracious creatures keep turning up positive, complicating containment The Colorado River is now officially “positive” for invasive zebra mussels for longer stretches in ...

For years, Lake Vermilion and Lake Kabetogama seemed special. As Minnesota’s other large and heavily fished lakes fell one-by-one to zebra mussel infestations, the two sprawling wooded giants in ...

Survival of the fittest is expertly exemplified by one marine creature: Minnesota’s freshwater mussels. These shellfish are being applauded for their unique and clever survival strategy. They ...