Commercial fishermen caught hundreds of silver, bighead, black, grass and common carp in the Illinois River.
For Undark, Tyler Kelley wrote about the efforts to keep invasive Asian carp out of the Great Lakes: Navigating a Sea of Superlatives in Pursuit of the Asian Carp https://undark.org/article/asian-carp-chicago-illinois-lake-michigan/
In 2010, the Illinois Department of Natural Resources began "harvesting” on a large scale using commercial fishermen. The program removes upwards of 1 million pounds from the Illinois River each year. Yet still, in some places, 75 percent of the river’s biomass — meaning the aggregate of all living material — is Asian carp.