Other water sources where sturgeon can be caught but must be released back into the water include: the Detroit River, St.

DULUTH – More than a century has passed since the St. Louis River teemed ... along Michigan’s Ontonagon River. There is some evidence that St. Louis River-stocked sturgeon try to return ...

But the longevity of the sturgeon in the Kootenai River is waning: It hasn't reproduced in real numbers in at least 30 years due to habitat change caused by Libby Dam, which shut its gates in 1975.