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AnAge entry for Proechimys cayennensis

Classification (HAGRID: 03219)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Echimyidae
                    Genus: Proechimys
SpeciesProechimys cayennensis
Common nameCayenne spiny rat
SynonymsProechimys guyannensis

Lifespan, ageing, and relevant traits

Maximum longevityNot yet established
Observations

In the wild, these animals have been known to live up to 1.7 years. Captives have been kept for 3.5 years [0434], though more detailed studies are necessary before maximum longevity can be correctly estimated.

Life history traits (averages)

Female sexual maturity148 days
Male sexual maturity146 days
Gestation64 days
Weaning29 days
Litter size2.4 (viviparous)
Litters per year
Inter-litter interval
Weight at birth24.7 g
Weight at weaning
Adult weight356.5 g
Postnatal growth rate

Metabolism

No information on metabolism available.

References
[0610] Ernest (2003), Life history characteristics of placental non-volant mammals
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0680] Wootton (1987), The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction

External resources

Integrated Taxonomic Information SystemITIS 584841
Animal Diversity WebADW account (if available)
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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