I Speak for the Fish: The hardest lake sturgeon dive in the Great Lakes

For two weeks each year, the St. Clair River hosts thousands of spawning lake sturgeon.
Hundreds of six-foot females plump with eggs and thousands of 4 to 5-foot-long males gather at the base of Lake Huron. In the span of a few weeks, they will arrive, group up, deposit millions of fertilized eggs on the river bottom and depart.
Great Lakes Now
https://www.greatlakesnow.org/2025/06/i-speak-for-the-fish-the-hardest-lake-sturgeon-dive-in-the-great-lakes/