These agencies are attempting to form a permanent electrical barrier between Lake Michigan and the river to prevent the carp from entering the lake and spreading.

• U.S. Army Corps of Engineers
• EPA
• State of Illinois
• International Joint Commission
• Great Lakes Fishery Commission
• U.S. Fish and Wildlife Service

which connects the Mississippi River to Lake

Michigan.

to help control vegetation and phytoplankton in

aquaculters and sewage treatment facilities, but due to flooding

they escaped into the water ways and made their way north.

United States has come to include only the four 

carps most recently introduced

http://www.epa.gov/glnpo/invasive/asiancarp/

http://www.michigan.gov/dnr/0,4570,7-153-10364_52261_54896-226898--,00.html

http://www.watershedcouncil.org/learn/aquatic%20invasive%20species/asian-carp/

http://yosemite.epa.gov/r10/ECOCOMM.NSF/B724CA698F6054798825705700693650/19CF2902BD848550882574160056CDD1

http://newswatch.nationalgeographic.com/2013/10/31/asian-carp-reproducing-naturally-in-great-lakes-tributary/

and because of their size(60-110 lbs) they 

have few natural predators in the freshwater. 

The fish also have a huge apatidet eating almost

a third of their body weight a day. Though

they don't eat fish, they out compete the native

fish that rely on certain food.

carps are bottom feeders and rely

on grasses, phytoplankton and small

mollukes and muscles as a food source.

Their large size also detracts predators

from attacking them.

the reproduce. Asian carp need rivers

of a certain length with currents that 

keep their eggs drifting long enough to hatch.

A single female con produce up to 1 million eggs

in a single year. These carp also prouduce all year

long and much faster than the native fish.