62-year-old fish caught in Lake Superior thought to be oldest-ever lake trout found in Great Lakes

Researchers from the Michigan Department of Natural Resources recently captured a 62-year-old lake trout in Lake Superior, believed to be the oldest of its kind ever documented in the Great Lakes. Named “Mary Catherine,” this fish, which is significantly older than the typical lake trout lifespan of 25 to 30 years, indicates a healthy population in the lake.

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