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.

Finding a new, protected location is potentially important to the longterm recovery of this rare species. Historically, the ...

Freshwater mussels are some of the planet's most fascinating and underappreciated animals. With their beautifully colorful shells, diversity of shapes and interesting adornments — including ridges, ...

WASHINGTON — Freshwater mussels may be out of sight, but they should not be out of mind. A recent study shows we've lost over 90% of the freshwater mussel population in the Chesapeake Bay Watershed as ...

A rare, endangered species of mussel has been newly discovered in the Obed River in Morgan County, the National Park Service ...

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 ...

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 ...

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 ...

Larvae of the freshwater pearl mussel can give protection against bacterial infection Glochidium larvae of the freshwater pearl mussel attach to salmon or trout gills, where they develop and grow for ...

A pile of recently dead freshwater mussels are piled along the shore of the Clinch River near Wallen Bend, Tenn. AP KYLES FORD, Tenn. — On a recent late fall afternoon at Kyles Ford, the white ...

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 ...