Survey crews from Portland State University discovered a dead, highly invasive mussel earlier this month along the shoreline ...

Oregon wildlife surveyors found a single dead adult quagga mussel on the shoreline of Prineville Reservoir earlier this month ...

A highly invasive quagga mussel was found dead on the shore June 6 near Prineville Reservoir in Central Oregon.

Invasive golden mussels are spoiling the boating season as officials across the Sacramento-San-Joaquin Delta and in popular locales like Solano’s Lake Berryessa implement new protocols or close boat ...

Oregon officials report a single dead quagga mussel found on Prineville Reservoir’s shore, the first near an Oregon waterbody ...

One reason the species worries water managers is its ability to multiply rapidly.

Water managers and state wildlife officials last year hoped the discovery of a microscopic zebra mussel larva in the Colorado River was a one-time event, not a sign of a larger problem lurking beneath ...

Zebra mussels, an invasive species, have been confirmed in Lake Memphremagog on the U.S. side, posing environmental and economic threats. The mussels were first detected on the Canadian side of the ...

The recent discovery of a new type of invasive mussel in the Sacramento-San Joaquin River Delta is raising concerns that the non-native species could cause major ecological harm and inflict costly ...

A study found that invasive zebra mussels significantly alter aquatic ecosystems, and are associated with elevated mercury concentrations in fish. Mercury, a potent neurotoxin, poses a serious threat ...

Grand Council Treaty 3 — the traditional government of the Anishinaabe nation — is expanding its annual zebra mussel ...