Most memorable stories of 2012: Revolting sea lamprey an environmental success story
United States Fish and Wildlife Service biology technician Tom Davies displays the power of the lamprey's suction Thursday, May 24, 2012, along the Brule River in northern Wisconsin.
Derek Montgomery for MPR
Northwest Wisconsin's Brule River is revered by anglers for its steelhead and trout fishing. But the picturesque stream that tumbles northward into Lake Superior provides great habitat for more than just sport fish.
Each spring, thousands of sea lamprey head for the Brule to spawn. Many of them are trapped on their way upstream by a low concrete dam that spans the river.
Full list here: Most memorable stories of 2012
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