Steve Griffin: Research debunks long-held theory on walleye spawning in Michigan’s Saginaw Bay

Scientists work to answer a question: Where do these fish come from?
Who’d-a-thunk-it? Modern Saginaw Bay walleyes, long thought to spawn mainly in tributary rivers, are doing most of it in open waters. That’s the upshot of research findings reported this month by Michigan DNR Fisheries Research Biologist Dave Fielder.

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