Stay Curious. Stay Connected.
MailNewsletters♡Donate Now
Sign up
*Password must be at least 8 characters and contain one uppercase letter, one lowercase letter, one number and one symbol.
Already have an account?
By submitting, you consent that you are at least 18 years of age and to receive information about MPR's or APMG entities' programs and offerings. The personally identifying information you provide will not be sold, shared, or used for purposes other than to communicate with you about MPR, APMG entities, and its sponsors. You may opt-out at any time clicking the unsubscribe link at the bottom of any email communication. View our Privacy Policy.
Sign in to your profile
Forgot Password?
New to MPR News?
Welcome back
to news
for you
Reset Password

Enter the username on file and we'll send you a code to reset your password.

Still require assistance or not sure what your User Name is?
Welcome back
to news
for you
Email Verification

A verification code has been emailed to

Still awaiting the code?

Sound may deter invasive carp

St. Anthony Lock and Dam
The Upper St. Anthony Falls Lock and Dam in Minneapolis Monday, March 12, 2012.
Courtesy Ben Erickson, St. Anthony Falls Laboratory 2012

Go Deeper.

Create an account or log in to save stories.

Log inCreate a free Account

Like this?

Thanks for liking this story! We have added it to a list of your favorite stories.

Show me!

The last boat will pass through downtown Minneapolis next week as the upper St. Anthony Falls Lock and Dam closes for good.

It's part of efforts to stop invasive carp from spreading farther up the Mississippi River. But the move does little to protect Minnesota's other major rivers like the Minnesota and St. Croix rivers.

More invasive carp were caught just south of Stillwater in the past few weeks. That's the farthest upstream they've been detected.

The fish can grow upwards of 50 pounds and crowd out native species.

MPR's Cathy Wurzer spoke with University of Minnesota professor Peter Sorensen, who studies invasive carp with the Minnesota Aquatic Invasive Species Research Center.