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AnAge entry for Suncus murinus


Classification (HAGRID: 03558)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Soricomorpha
                Family: Soricidae
                    Genus: Suncus
SpeciesSuncus murinus
Common nameHouse shrew

Lifespan, ageing, and relevant traits

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

In the lab these animals live up to 3 years (Emilie Rissman, pers. comm.). One captive specimen lived 3.2 years [0671].

Life history traits (averages)

Female sexual maturity36 days
Male sexual maturity36 days
Gestation30 days
Weaning19 days
Litter size3 (viviparous)
Litters per year
Inter-litter interval56 days
Weight at birth2.68 g
Weight at weaning33.35 g
Adult weight45.9 g
Postnatal growth rate0.0643 days-1 (from Gompertz function)
Maximum longevity residual36 %

Metabolism

Typical body temperature312ºK or 38.7ºC or 101.7ºF
Basal metabolic rate0.4030 W
Body mass39.7 g
Metabolic rate per body mass0.010151 W/g

References

[0481] Austad (2005), Diverse aging rates in metazoans: targets for functional genomics, PubMed
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[0036] Savage et al. (2004), The predominance of quarter-power scaling in biology
[0420] White and Seymour (2003), Mammalian basal metabolic rate is proportional to body mass2/3, PubMed
[0610] Ernest (2003), Life history characteristics of placental non-volant mammals
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[0678] Symonds (1999), Life histories of the Insectivora: the role of phylogeny, metabolism, and sex differences
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0118] Fukuda et al. (1991), Age-associated and cell-type specific changes in NGF requirement for neurite regeneration from trigeminal ganglion cells of the shrew (Suncus murinus), PubMed
[0119] Yamaguchi and Yamagata (1991), Serotonergic ligand binding in aging brain of experimental animals, PubMed
[0542] Bernhard Grzimek (1990), Grzimek's Encyclopedia of Mammals
[0117] Yamaguchi and Yamaguchi (1987), A new experimental animal for the study of age-related changes in serotonergic neuronal activity in the brain cortex, PubMed
[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 179961
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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