https://enjoyer.com/fall-in-michigan-is-salmon-season-coho-king-pink-lake-rivers/
"Though salmon generally prefer saltwater, they are anadromous; meaning, they can survive in both saltwater and freshwater, which allows them to thrive in the Great Lakes. Here, the lakes mimic the conditions of the Pacific Ocean, and the rivers provide ideal spawning grounds, supporting their life cycle.."
