Fork Length vs Age for Brook Trout

I thought some of you may be interested in learning about the beautiful brook trout that inhabit the Lac Justone territory. Here’s a representative graph for brook trout age and length. There is a huge range geographically and for every age a wide range in lengths. Brook trout usually live about 10 years across most of their range, but have lived to 20 years plus in tiny, ice-bound lakes in the High Sierra mountains.

Greg B., freshwater fisheries biologist for 40 years and fly fishing enthusiast 🙂

One Reply to “Fork Length vs Age for Brook Trout”

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