The zebra mussel (Dreissena polymorpha) is a small bivalve mollusk native to the freshwater rivers draining the Caspian and Black Seas of western Asia. This species of shellfish, which gets its name from the dark brown stripes on its tan shell, was...

The Zebra mussel, Dreissena polymorpha, is a bivalve mussel native to freshwater lakes of southeast Russia. Zebra mussels get their name from the striped pattern on their shells, though not all shells bear this pattern. They are usually about the size...

Zebra mussels have been found in northeast Kansas and biologists fear the invasive species could soon make their way to the Kansas City area.Kansas wildlife officials confirmed the fingernail-size creatures were found in Perry Lake, north of Lawrence. Biologists predict they'll likely pass through the...

An invasive mussel that made its way west of the Rocky Mountains seven months ago is spreading rapidly, just the scenario most feared by officials running water systems supplying millions of people across the Southwest.The thumb-sized quagga mussels, which can clog pipes and gum up...

Scientists and government officials have pledged to step up efforts to protect Lake Tahoe from invasive species, saying the exotics pose a major threat to its future.Officials said they came away from a two-day conference here last week with a sense of urgency to stop...

Another invasive species, a half-inch long ravenous shrimp from Eurasia, has been found in Lake Ontario, raising concerns among scientists that the tiny crustacean could mean dire consequences for the lake's food chain.The discovery of bloody red mysid _ whose scientific name is Hemimysis anomala...