Zebra mussels hang on while quagga mussels take over
Friday, June 12, 2009 - 11:42
in Earth & Climate
The zebra mussels that have wreaked ecological havoc on the Great Lakes are harder to find these days - 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...