Latest Suzanne Peyer Stories
Invasive quagga mussels are replacing their equally destructive cousin, the zebra mussel, in calmer waters in the Great Lakes, Wisconsin researchers said. While zebra mussels still dominate in fast-moving streams and rivers, the larger quagga mussels prefer soft lake bottoms of sand and silt, said Suzanne Peyer, a doctoral candidate in the zoology department of the University of Wisconsin, Madison. Zebra mussels prefer to attach to hard surfaces, such as rocks, gravel, pipes and ship hulls,...
The zebra mussels that have wreaked ecological havoc on the Great Lakes are harder to find these days â€” not because they are dying off, but because they are being replaced by a cousin, the quagga mussel. But zebra mussels still dominate in fast-moving streams and rivers.
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