Federal regulators designated two U.S. freshwater mussels as threatened on Wednesday, a further sign of trouble for native mollusks that help cleanse waters by filtering out pollutants as they feed.

Mussels have been disappearing from a Big Darby tributary for decades but a recent study found none in one tributary.

A multi-agency team took a hands-on approach to boosting native mussel populations in the Cuyahoga River this fall, marking a ...

Nestled in the silt, sand or fine gravel of South Dakota’s rivers and streams live some of the state’s least appreciated yet most ecologically important creatures — freshwater mussels. Their names ...

Mussels clean the water from pollutants but all of those pollutants pass through their body. The threshold the mussels can ...

The Niagara River is a powerful force in Western New York, helping to supply electricity to areas throughout the entire state — and the fate of its water quality relies heavily on fish and their ...

Freshwater mussels play an important role in keeping the Great Lakes healthy, but experts say native mussels in Michigan are ...

SAN ANTONIO – A team at the San Antonio River Authority is working on a project to reintroduce native freshwater mussles to the Mission Reach of the San Antonio River Walk. River Authority biologists ...

TRAVERSE CITY, Mich. (AP) — Federal regulators designated two U.S. freshwater mussels as threatened on Wednesday, a further sign of trouble for native mollusks that help cleanse waters by filtering ...

This story is reported by South Dakota News Watch, a non-profit news organization. Find more in-depth reporting at www.sdnewswatch.org. Nestled in the silt, sand or fine gravel of South Dakota’s ...