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The salmon have grown bigger on Lake Superior this year due to large numbers of prey fish, the little cisco, being available to feed upon.

The cisco was a 3-year-old female and Koel said tests determined it was born in the lake, meaning it has parents and probably “thousands of siblings.”

Young cisco are good forage for Lake Audubon’s most numerous species - walleye.

Green Lake is ideal habitat for the cisco and its cold-water running mate, the lake trout, two fish found in only a small percentage of the state’s more than 15,000 lakes.

“For fish caught from Lake Superior … lake herring or cisco, whitefish, smaller salmon and lake trout, depending on how often they eat it.”