(SANDUSKY, Ohio) — For the first time, scientists have documented that an Asian carp species has reproduced in the Great Lakes watershed, the Sandusky Register reported. An analysis of four grass carp captured last year in the Sandusky River, a tributary of Lake Erie, found they had spent their entire lives there and were not introduced. Scientists say if carp gain a foothold in the lakes, they could spread widely and destabilize a fishing industry valued at $7 billion.
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