ST. PAUL, Minn. – The unseasonably warm February, in the 60s and 70s around Winona in recent days, will continue to disrupt lifecycles for fish in the Mississippi River, state wildlife experts said. Thousands of fish, mostly gizzard shad, have turned belly-up since early in the month.

Lake City marina. Gizzard shad prefer shallow lakes with muddy bottoms. Don’t cotton well to unusual swings in water temperatures. Image: Derek Joy