AnAge Home Help Human Ageing Genomic Resources Citation

AnAge entry for Psammomys obesus

Classification (HAGRID: 03386)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Muridae
                    Genus: Psammomys
SpeciesPsammomys obesus
Common nameFat sand rat

Lifespan, ageing, and relevant traits

Maximum longevity3.2 years (captivity)
Sourceref. 671
Sample sizesmall
Data qualityacceptable
Observations

Record longevity in captivity is 3.2 years [0671]. Used as a biomedical model of nutritionally-induced diabetes type 2 and obesity.

Life history traits (averages)

Female sexual maturity100 days
Male sexual maturity
Gestation24 days
Weaning28 days
Litter size3.5 (viviparous)
Litters per year
Inter-litter interval38 days
Weight at birth6.25 g
Weight at weaning40 g
Adult weight212 g
Postnatal growth rate0.0304 days-1 (from Gompertz function)
Maximum longevity residual28 %

Metabolism

No information on metabolism available.

References
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[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
[0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves

External resources

Integrated Taxonomic Information SystemITIS 632993
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
Entrez

Search all databases

Entrez Taxonomy search

Ageing literature

Search Google Scholar

Search PubMed

Search Scirus

ImagesGoogle Image search
InternetSearch Google

AnAge database at the Human Ageing Genomic Resources.

If you find any missing or incorrect data, please contact us.