Wisconsin DNR
ASHLAND, Wis. - An emergency rule designed to provide sustainable commercial harvests while rebuilding populations of Lake Superior cisco - also known as lake herring - has gained approval from the Wisconsin Natural Resources board.
Cisco hold significant commercial value and also represent a key link in the Lake Superior food chain, eating zooplankton and serving as prey for lake trout. Cisco eggs serve as a primary food source for whitefish - another valuable commercial and recreational species.
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