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Asian carp with a white bass_20100119113922_JPG

Asian Big Head Carp swim, with a White Bass, bottom center, in an exhibit at Chicago's Shedd Aquarium, Tuesday, Jan. 12, 2010, in Chicago.

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Asian carp could reach all Great Lakes

If they gain a foothold

Updated: Friday, 13 Jul 2012, 6:10 AM EDT
Published : Friday, 13 Jul 2012, 6:10 AM EDT

TRAVERSE CITY, Mich. (AP) - A new report says Asian carp could find hospitable conditions in all five of the Great Lakes if they gain a foothold.

Canada's Fisheries and Oceans ministry released the report Thursday. It's based on a 16-month assessment of risk to the lakes from the invasive carp, which have infested the Mississippi Rivers and many of its tributaries.

The carp are threatening to enter Lake Michigan through a Chicago-area waterway network.

The analysis by U.S. and Canadian scientists says it could take as few as 10 male and female pairs to establish a population in the lakes if they find good spawning areas. It says more than 70 rivers across the Great Lakes could serve that purpose.

The researchers say the carp probably would reduce food supplies for other plankton-eating fish.

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