AnAge entry for Proechimys guairae
Classification (HAGRID: 02965)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Rodentia
Family: Echimyidae
Genus: Proechimys
- Species
- Proechimys guairae
- Common name
- Guaira spiny rat, or Quaira spiny rat
Lifespan, ageing, and relevant traits
- Maximum longevity
- Not 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 brevicauda/).
Life history traits (averages)
- Female sexual maturity
- 85 days
- Male sexual maturity
- 90 days
- Gestation
- 64 days
- Weaning
- Litter size
- 2.8 (viviparous)
- Litters per year
- 4.4
- Inter-litter interval
- Weight at birth
- 21 g
- Weight at weaning
- Adult weight
- 400 g
- Postnatal growth rate
- 0.0213 days-1 (from Gompertz function)
Metabolism
No information on metabolism is 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 System
- ITIS 584839
- Animal Diversity Web
- ADW account (if available)
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 10163
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
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