AnAge entry for Crocidura russula
Classification (HAGRID: 03215)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Soricomorpha
Family: Soricidae
Genus: Crocidura
- Species
- Crocidura russula
- Common name
- White-toothed shrew
Lifespan, ageing, and relevant traits
- Maximum longevity
- 4 years (captivity)
- Source
- ref. 589
- Sample size
- Tiny
- Data quality
- Acceptable
- Observations
Unverified reports, which appear plausible, suggest that these animals may live up to 4 years in captivity [0589].
Life history traits (averages)
- Female sexual maturity
- 75 days
- Male sexual maturity
- 75 days
- Gestation
- 29 days
- Weaning
- 23 days
- Litter size
- 4 (viviparous)
- Litters per year
- 3.5
- Inter-litter interval
- 28 days
- Weight at birth
- 0.945 g
- Weight at weaning
- 7.7 g
- Adult weight
- 11.6 g
- Postnatal growth rate
- 0.146 days-1 (from Gompertz function)
- Maximum longevity residual
- 56%
Metabolism
- Typical body temperature
- 308ºK or 34.7ºC or 94.5ºF
- Basal metabolic rate
- 0.1430 W
- Body mass
- 10.8 g
- Metabolic rate per body mass
- 0.013241 W/g
References
- [0940] Magnanou et al. (2009), The timing of the shrew: continuous melatonin treatment maintains youthful rhythmic activity in aging Crocidura russula (PubMed)
- [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
- [0542] Bernhard Grzimek (1990), Grzimek's Encyclopedia of Mammals
- [0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves
- [0589] The Shrew Site
External Resources
- Integrated Taxonomic Information System
- ITIS 633672
- Animal Diversity Web
- ADW account
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 36802
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google