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Great Lakes Daily News

Oldest-ever Great Lakes lake trout recorded in Lake Superior

Aug 15, 2025 | Daily News

A 62-year-old lake trout named Mary Catherine was found in 2023 on the reefs of a remote island in the middle of Lake Superior. While lake trout can live for decades, the discovery of a fish this old is unusual. Read the full story by WJBK-TV – Detroit, Michigan.


Click here for additional Great Lakes news stories from around the region, curated daily by Great Lakes Commission staff.

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The Great Lakes Commission (GLC) does not discriminate on the basis of any characteristic protected by federal nondiscrimination laws. For the GLC’s complete nondiscrimination policy and procedures, click here (PDF).