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Cayenne Spiny Rat

Proechimys guyannensis (É. Geoffroy Saint-Hilaire 1803)

Lifespan, longevity, and ageing

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Observations: In the wild, these animals have been known to live up to 1.7 years. Captives have been kept for 3.5 years (Ronald Nowak 1999), though more detailed studies are necessary before maximum longevity can be correctly estimated.
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Joao Pedro de Magalhaes
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de Magalhaes, J. P.
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