More concerns tonight about invasive Asian Carp getting into the Great Lakes.
Researchers announced that DNA from the Asian Carp has been discovered in water samples collected from Lake Erie nearly a year ago.
It's the first time genetic material from bighead and silver carp has turned up in the lake.
The findings are unsettling to people who rely on the lake's billion dollar fishing industry
Scientists have described Erie as the lake that could suffer the biggest harm from an Asian Carp incursion.
Lake Erie charter boat captain Paul Pacholski says, "Lake Erie is the warmest, shallowest, most biologically productive of the Great Lakes. And ground zero for Asian Carp invasion would be the Maumee River, Western Basin of Lake Erie. It's the only two rivers identified for reproduction and if they got in here, they would take over."
But scientists are uncertain whether the DNA signals the presence of actual fish or are from other sources.
Congress recently gave the U.S. Army Corps of Engineers an 18-month deadline to complete a study of how to prevent species invasions into the Great Lakes.
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