Like many sea creatures, mussels along Oregon’s coastline are struggling. Their population took a sudden nose dive this summer, and researchers aren’t sure what’s behind the die-off. This mystery is ...

Part of the middle Snake River quagga mussel treatment area in south-central Idaho in the fall of 2023. Quagga mussel monitoring in the Middle Snake River near Twin Falls, Idaho, is expected to start ...

Idaho State Department of Agriculture invasive-species investigators have found more quagga mussels in the Snake River near Twin Falls, a year after an initial discovery there prompted large-scale ...

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 ...

A team of US researchers has solved a six-year-old mystery surrounding a mass die-off of mussels in Wisconsin's Embarrass River, discovering a previously unknown parasitic fungus that infects female ...

TWIN FALLS, Idaho (KIFI) - The Idaho State Department of Agriculture announced that another small number of quagga mussels were detected in the Twin Falls area in the Snake River. Governor Brad Little ...

The first adult zebra mussels have been found in the Colorado River near Grand Junction, following increased testing and detection of the invasive species in Colorado. Previously, Colorado Parks and ...

The spread of invasive zebra mussels has continued on Colorado’s Western Slope this summer, with additional discoveries made in recent weeks in the Colorado River, Highline Lake, Mack Mesa Lake, and a ...