Bacteria killing carp could affect other fish in southern Minnesota lake

(Minnesota DNR photo)

ELYSIAN, Minn. — Officials have identified bacteria as the likely cause for the death of numerous carp in Lake Elysian in southern Minnesota.

Waterville Area Fisheries Supervisor Craig Soupir says dying carp collected from the lake had symptoms of columnaris disease.

The disease is caused by bacteria that are naturally in lake surface water. Soupir suspects the carp became susceptible to the disease because of stress caused by the combination of a recent cool-down of water temperature while the carp have been spawning.

Soupir tells the Mankato Free Press it’s possible that other pathogens also might have contributed to the carp die-off. Lab results are pending.

Other species of fish in Lake Elysian also can catch columnaris disease, including black crappie, walleye and buffalo.

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