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Water Management Associations
Invasive Silver Carp Confirmed for the First Time in SW Minnesota
Two invasive silver carp have been caught in southwestern Minnesota after essentially sneaking into the state through the back door, marking the first confirmed discovery of the jumping fish in that area.

They were netted only about 120 yards north of the Iowa border on the Ocheyedan River in Nobles County.  State officials had been concerned that invasive carp could reach southwestern Minnesota via streams in the Missouri River watershed after large numbers were found in in 2012 in northwestern Iowa’s Great Lakes, one of that state’s most popular vacation spots.

Minnesota and Iowa DNR officials have worked together on several projects to keep invasive carp of southwestern Minnesota since they were discovered in the Iowa Great Lakes. They include an electric barrier at the outlet to the lakes that’s been effective in preventing new arrivals.

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A Sound Way to Keep Out Invasive Carp? - University of Minnesota researcher Peter Sorensen and his team, including doctoral student Dan Zielinski, have discovered that the carp are sensitive to — and annoyed and deterred by — sounds not heard by most other fish. This information could be the key to stop the spread of bighead and silver carp in the Mississippi River.

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