Invasive Species Not Best Conservation Tool: Study

Harnessing an invasive fish species sounded like a promising conservation tool to help reverse the destruction wreaked by zebra mussels on endangered native mollusks in the Great Lakes - except that it won't work, says a University of Guelph ecologist. In a novel twist on invasive species ecology, a research team led by integrative biology professor Joe Ackerman found that the round goby fish - an invader in Ontario waters -- only makes matters worse for native mollusks already driven to near-extinction by an earlier zebra mussel invasion.

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