IDNR concludes record-breaking invasive carp removal effort on Upper Illinois River


December 13, 2023

Illinois Department of Natural Resources (IDOR) fisheries biologists, with support from contracted commercial fishers and biologists from the Illinois River Biological Station, wrapped up a 10-day intensive harvest operation in the Starved Rock pool of the Illinois River, resulting in the removal of an astonishing 750,000 pounds of silver carp between Nov. 27 and Dec. 6.

This is the largest single removal effort IDNR has undertaken and is believed to be a record for freshwater harvest within the United States.

“Clearly, this removal technique is highly effective, but it is also highly dependen...

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