'Old fish did great': Study finds some lake trout get older without aging

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Research in a set of unique Canadian lakes is backing up a strange consequence of evolutionary theory often predicted but never before shown.

"Theory predicts for samples like ours that there should be little aging," said Craig Purchase of Newfoundland's Memorial University. "That's exactly what we found."

The researchers caught fish that had been previously tagged and measured their length and weight -- an index of overall health. They measured sperm quality from male fish. "The old fish did great," Purchase said. "As they age across decades, there is a minor increase in mortality but they maintain their reproductive performance perfectly. An old adult male is just as capable as a young one."

 

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Fountain of youth? Would eating trout help us in aging too?

Is it all that Omega-3? That and not falling for that worm on the hook trick.

OLD TROUT

Another fish tail

Freedom Canada convoy 2022

What about zipper trout or the large nose carpet croaker

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