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First Evidence of Asian Carp Breeding in Lake Erie Basin Unearthed

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First Evidence of Asian Carp Breeding in Lake Erie Basin Unearthed

Scientists with the US Geological Survey (USGS) announced on Monday the first confirmation of Asian carp breeding in the Lake Erie Basin. The study verified that four grass carp taken last year in Ohio’s Sandusky River are in fact the result of natural reproduction.

“People have been catching grass carp intermittently in the Great Lakes for a long time, but a lot of people assumed that those carp were sterile,” said USGS scientist Duane Chapman, who was lead author on the study.

Chapman told OutdoorHub that it was only recently that researchers were able to come up with methods to test grass carp for a history of the waterways it visited. One of these methods involved studying bones in the fish called “otoliths.”

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