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.

The Northwest’s freshwater mussels are in trouble, rapidly declining in almost every population biologists study. Take 2005, when biologists counted historic numbers of freshwater mussels in the North ...

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 ...

The Forest Preserve District of DuPage County will showcase its work to support freshwater mussels and federally endangered ...

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 ...

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 ...

The data he studies includes population density, species diversity and water quality indicators. At the same time, he is ...

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 ...

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 ...

Seven types of freshwater mussels found in Central Texas have been listed for protection under the Endangered Species Act. Credit: Ryan Hagerty/USFWS The U.S. Fish and Wildlife Service declared six ...

Paula Carrick grew up on Waishkey Bay. She remembers bathing, swimming and having fun, but also gathering native freshwater clams or mussels for her grandfather. “I was probably 5, 6 years old it’s my ...

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 ...