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Image of Fisher

Fisher

Martes pennanti

Lifespan, longevity, and ageing

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Maximum longevity: 14.3 years (captivity) Observations: Depending on how long the implantation takes to occur, the total gestation time can vary from 270 to 370 days. In the wild, fishers may live up to 10 years (Bernhard Grzimek 1990). One specimen lived 14.3 years in captivity (Richard Weigl 2005).
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Joao Pedro de Magalhaes
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de Magalhaes, J. P.
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