Asian Carp Are Disappearing in US Rivers — Nobody Planned the Predator That Did It

A silver carp rockets three feet above the Illinois River and slams into the side of a fishing boat. That's every Tuesday now.

Homemade guide: https://ecoharvest.gumroad.com/l/pvxfdq

In some stretches of the Illinois River, Asian carp now make up seventy percent of the fish by weight. A single female drops close to a million eggs per season. For two decades, every number pointed one direction — up. Then, near a town called Havana, Illinois, they started going down. Nobody planned it. Nobody predicted it. And the animal everyone said would save the Great Lakes had nothing to do with it.

The real answer was stranger, cheaper, and more embarrassing than anyone wanted to admit.

???? In this video, we cover:

- How Dr. James Lamer's team at the Illinois River Biological Station — running the longest freshwater monitoring program in American history, since 1957 — detected a measurable decline in carp catch rates before anyone believed it was possible.
- Why the billion-dollar electric barrier system and the largest single freshwater fish removal in U.S. history (750,000 pounds in ten days at Starved Rock) still wasn't enough to stop the invasion on its own.
- How Dr. Cory Suski at the University of Illinois discovered that Chicago's own industrial pollution — pharmaceuticals, volatile organics, and a hundred unmapped compounds — had been acting as an invisible chemical fence, stalling the carp fifty miles from Lake Michigan for over a decade.
- Why the campaign to rebrand Asian carp as "Copi" pulled ten million pounds out of the river in two months — and what happens to that strategy as Chicago keeps cleaning up its water.
- The alligator gar: extinct in Illinois since 1966, returning to its native rivers since 2010, and never going to eat a single adult carp — and why that boring fact never made the headlines.

Every claim is sourced from the Illinois Department of Natural Resources, the University of Illinois Urbana-Champaign, and the U.S. Army Corps of Engineers Brandon Road project documentation. This is not speculation.

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