This old trout has been around Wisconsin since the Nixon era
Wis. biologists catch old trout during assessment
MADISON, Wis. — State biologists say a lake trout caught this month is the oldest they’ve found in northern Wisconsin in recent history.
The fish caught near the Apostle Islands of Lake Superior is at least 46 years old, or nearly 100 in human years, the Wisconsin Department of Natural Resources said.
Brad Ray is a senior fisheries biologist at Lake Superior. He told Wisconsin Public Radio that the fish was tagged as part of the Department of Natural Resources’ fall trout assessment.
Ray said the fish has been tagged eight times in the past four decades. He said the trout was 35.5 inches long. It was tagged and released back into the water.
Officials with the U.S. Fish and Wildlife Service say the oldest lake trout ever recorded was 70 years old.
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