The hardiest freshwater fish in America might destroy the Great Lakes—they also might save us all.
. Her hands gripped a bow and arrow. She scanned the surface of Kentucky’s Cumberland River for telltale flickers of silver as the sky darkened. They’d been out for hours, and it was nearly dusk. She’d convinced her boyfriend to drive from her adopted hometown of Chicago to do this, and she didn’t want to miss her chance.
Then she saw it—the flicker. Brilliant silver. Then more flickers. The river’s smooth surface turned into a riot of ripples and shining fins. Its shores may have not been much to look at, but life teemed underwater. She stretched the arrow back, hoped her form wasn’t too crappy, and released.Not just any fish. Yang is obsessed with one type in particular. At the time, she called it Asian carp, although now it is often called “copi.
Kevin Irons, for instance, has been devoted to the cause since the 1990s, when he moved his family to Havana, Illinois, to be a large river ecologist. The same year he arrived, a commercial fisherman caught a copi in the Illinois River. The fisherman had never seen it before, and it freaked him out. “He’s dripping fish blood across the carpet in the research center, saying, ‘What the heck is this?’” Irons says.
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