AnAge entry for Sorex araneus

Classification (HAGRID: 03651)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Soricomorpha
                Family: Soricidae
                    Genus: Sorex
Species
Sorex araneus
Common name
Eurasian shrew

Lifespan, ageing, and relevant traits

Maximum longevity
3.2 years (captivity)
Source
ref. 671
Sample size
Small
Data quality
Acceptable
Observations

In the wild, these animals rarely live more than one year. One captive specimen lived for 3.2 years [0671]. In one study in captivity, animals featured a high mortality, though inadequate husbandry conditions could be to blame [0504].

Life history traits (averages)

Female sexual maturity
198 days
Male sexual maturity
335 days
Gestation
21 days
Weaning
25 days
Litter size
6 (viviparous)
Litters per year
1.9
Inter-litter interval
40 days
Weight at birth
0.44 g
Weight at weaning
8.5 g
Adult weight
9 g
Postnatal growth rate
Maximum longevity residual
46%

Metabolism

Typical body temperature
308ºK or 35.0ºC or 95.0ºF
Basal metabolic rate
0.3480 W
Body mass
8.4 g
Metabolic rate per body mass
0.041429 W/g

References

External Resources

Integrated Taxonomic Information System
ITIS 633779
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 42254
Entrez
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Ageing Literature
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Images
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Internet
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