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AnAge entry for Cryptotis parva

Classification (HAGRID: 03540)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Soricomorpha
                Family: Soricidae
                    Genus: Cryptotis
SpeciesCryptotis parva
Common nameLeast shrew

Lifespan, ageing, and relevant traits

Maximum longevity3.5 years (captivity)
SourceOrin Mock, pers. comm.
Sample sizemedium
Data qualityacceptable
Observations

In captivity, these animals may live up to 3.5 years. Their mean adult weight is about 4.5 g (Orin Mock, pers. comm.).

Life history traits (averages)

Female sexual maturity40 days
Male sexual maturity43 days
Gestation21 days
Weaning19 days
Litter size4.5 (viviparous)
Litters per year
Inter-litter interval
Weight at birth0.34 g
Weight at weaning3.85 g
Adult weight4.5 g
Postnatal growth rate0.134 days-1 (from Gompertz function)
Maximum longevity residual57 %

Metabolism

Typical body temperature310ºK or 37.0ºC or 98.6ºF
Basal metabolic rate0.1640 W
Body mass6.3 g
Metabolic rate per body mass0.026032 W/g

References
[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
[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 179971
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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