Doug Smith

Even if the fish aren’t biting, the ducks aren’t flying and the pheasants aren’t flushing, Doug Smith says any day spent outdoors is a good day. A Minnesota native, he’s been covering the outdoors for the Star Tribune since 1995. He considers walleyes fried over a campfire to be gourmet cuisine.

Bighead carp, a 47-pound whopper, netted in Lake Pepin

Posted by: Doug Smith Updated: November 21, 2012 - 1:36 PM
 
 
 
More bad news on the invasive species front in Minnesota: A 47-pound bighead carp was caught in a seine net by commercial fishermen Nov. 16, in Lake Pepin near Frontenac.
While other adult bighead carp have been found in Lake Pepin and the Mississippi and St. Croix rivers, this was the largest carp caught so far, DNR officials said.
“It adds more evidence that Asian carp continue to work their way up the Mississippi River,” said Tim Schlagenhaft of the DNR’s Mississippi River team at Lake City.
“Fortunately, it’s usually a single adult that shows up,’’ he said. “There’s no evidence of reproduction.’’
Commercial fisherman Myles Rolbiecki of Minnesota City, seen in the photo above, netted the monster fish. Bighead carp, members of the Asian carp family, are nonnative species that can cause serious ecological problems as they spread into new waters.
The catch fits the pattern of occasional adult Asian carp captures from the Mississippi and St. Croix rivers over the past 15 years. Individual bighead carp were caught in the St. Croix River in 1996, 2011, and 2012, and four silver carp were caught from the Mississippi River between Winona and La Crosse since 2008.
Populations of bighead and silver carp are established in the Mississippi River and its tributaries downstream of pool 16 in Iowa. There is no indication bighead or silver carp are reproducing in Minnesota waters of the Mississippi or St. Croix rivers.
 
Here’s more from the DNR news release:
 
The DNR and other partners are aggressively implementing an action plan that was developed in 2011. This plan includes an active monitoring program involving fisheries surveys, commercial fishing, and eDNA testing.
The plan also addresses construction of fish barriers at several sites including Lock and dam 1 and locations in southwestern Minnesota that are threatened by Asian carp coming up the Missouri River basin.
The Minnesota Legislature appropriated $7.5 million in 2012 to design, construct and evaluate Asian carp barriers. The Legislature also approved funding for the Coon Rapids Dam on the Mississippi River to improve its effectiveness as a fish barrier.
Other options being discussed include closing the lock at Upper St. Anthony Falls to prevent passage of Asian carp. This would require congressional action.
The Legislature also appropriated funding in 2012 to establish an Aquatic Invasive Species Research Center at the University of Minnesota. The center will focus on research to develop tools to monitor and control populations of Asian carp should they become established.
Bighead carp can weigh up to 110 pounds and silver carp up to 60 pounds. They are voracious eaters, capable of consuming 5 to 20 percent of their body weight each day. They feed on algae and other microscopic organisms, often outcompeting native fish for food. Scientists believe Asian carp could severely disrupt the aquatic ecosystems of Minnesota waters.
More information about Asian carp is available on the DNR’s website at www.dnr.state.mn.us/asian-carp/index.html.

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