University of Minnesota study shows zebra mussels tied to elevated fish mercury

The University of Minnesota researchers seeking to understand what walleyes and yellow perch eat in near-shore ecosystems on zebra mussel-infested lakes didn’t know the can of worms they’d open.

“We thought the story that we were interested in was more about food web dynamics,” said Naomi Blinick, a researcher and laboratory manager with University of Minnesota’s Larkin Lab. “But when we saw these results about mercury, we knew that this was a much bigger trend that we had to explore in more depth.”

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