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AnAge entry for Proechimys guairae

Classification (HAGRID: 03220)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Echimyidae
                    Genus: Proechimys
SpeciesProechimys guairae
Common nameQuaira spiny rat

Lifespan, ageing, and relevant traits

Maximum longevityNot yet established
Observations

Little is known about the longevity of these animals. It has been reported that they can live up to 7 years in captivity [0434], but this has not been verified and could have been a result of confusion with the Andean spiny rat (Proechimys gularis).

Life history traits (averages)

Female sexual maturity85 days
Male sexual maturity90 days
Gestation64 days
Weaning22 days
Litter size2.8 (viviparous)
Litters per year4.4
Inter-litter interval
Weight at birth21 g
Weight at weaning
Adult weight400 g
Postnatal growth rate0.0213 days-1 (from Gompertz function)

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
[0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves

External resources

Integrated Taxonomic Information SystemITIS 584839
Animal Diversity WebADW account (if available)
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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