Invasive quagga mussel found on Central Oregon reservoir shoreline

Oregon finds invasive quagga mussel on Prineville Reservoir shoreline

A pipe completely covered in quagga mussels after 14 months in Lake Mead. (Courtesy of Oregon Department of Fish and Wildlife) Survey crews from Portland State University discovered a dead, highly invasive mussel earlier this month along the shoreline at Prineville Reservoir.  The singular adult quagga mussel was located 1 meter above the waterline on June 6 when crews from the university’s Center for Lakes and Reservoirs collected it and contac…

Invasive quagga mussel found on Central Oregon reservoir shoreline

Quagga mussels can reproduce so fast they clog irrigation systems and outcompete native species for resources. So far, state monitoring crews have only found one, but they'll continue monitoring the Prineville Reservoir.

Single invasive quagga mussel found at Prineville Reservoir; wider survey turns up negative

PRINEVILLE — Crews from Portland State University’s Center for Lakes and Reservoirs discovered a single dead adult quagga mussel on the shoreline of Prineville Reservoir, but an extensive survey showed it was the only example of the invasive species at the reservoir. It is unknown how the mussel ended up on the shore of Prineville Reservoir. Quagga mussels are small non-native freshwater mollusks that caused issues in the United States since the…