AnAge entry for Cryptotis parva
Classification (HAGRID: 03217)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Soricomorpha
Family: Soricidae
Genus: Cryptotis
- Species
- Cryptotis parva
- Common name
- Least shrew
Lifespan, ageing, and relevant traits
- Maximum longevity
- 3.5 years (captivity)
- Source
- Orin Mock, pers. comm.
- Sample size
- Medium
- Data quality
- Acceptable
- 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 maturity
- 40 days
- Male sexual maturity
- 43 days
- Gestation
- 21 days
- Weaning
- 19 days
- Litter size
- 4.5 (viviparous)
- Litters per year
- 2.5
- Inter-litter interval
- Weight at birth
- 0.34 g
- Weight at weaning
- 3.85 g
- Adult weight
- 4.5 g
- Postnatal growth rate
- 0.134 days-1 (from Gompertz function)
- Maximum longevity residual
- 57%
Metabolism
- Typical body temperature
- 310ºK or 37.0ºC or 98.6ºF
- Basal metabolic rate
- 0.1640 W
- Body mass
- 6.3 g
- Metabolic rate per body mass
- 0.026032 W/g
References
- [0978] Jones et al. (2009), PanTHERIA: a species-level database of life history, ecology, and geography of extant and recently extinct mammals
- [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 System
- ITIS 179971
- Animal Diversity Web
- ADW account (if available)
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 183661
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google