“While adult invasive carp have previously been found that far north, the presence of young carp indicates a spawning event occurred, possibly even further upriver. Silver carp eggs float downriver for miles through their early life stages before reaching juvenile size.”
Hundreds of Young Invasive Carp Found Closer to Lake Michigan Than Ever Before, Just as Work Has Stopped on Billion-Dollar Barrier
Sampling crews removed hundreds of small silver carp from a stretch of the Illinois River that's just 80 miles from Lake Michigan,
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