Sturgeon running up the Milwaukee River in Wisconsin, but no spawning fish discovered yet

While fish swimming within a resuscitated lake sturgeon population continue to make a spring run up the Milwaukee River, the local fisheries crew has yet to see evidence of spawning.
Wisconsin Department of Natural Resources (DNR) Fisheries Biologist Aaron Schiller said, as of June 12, PIT-tag sensors in the river near Locust Avenue detected 23 sturgeon swimming upstream from Lake Michigan. Last year, 23 fish also were detected. In 2022, 24 PIT-tagged sturgeon hit the sensors. This year, five of those sturgeon made it all the way through the new Kletzsch dam fish passage farther upstream.

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