AnAge entry for Petrodromus tetradactylus

Classification (HAGRID: 02944)
Taxonomy	Kingdom: Animalia Phylum: Chordata Class: Mammalia (Taxon entry) Order: Macroscelidea Family: Macroscelididae Genus: Petrodromus
Species	Petrodromus tetradactylus
Common name	Four-toed elephant shrew
Lifespan, ageing, and relevant traits
Maximum longevity	Not yet established
Observations	Pregnant females tend to abort in captivity and so there are only limited longevity studies. One wild born specimen was about 7.2 years of age when it died in captivity [0671].
Life history traits (averages)
Female sexual maturity
Male sexual maturity
Gestation
Weaning
Litter size	1.2 (viviparous)
Litters per year
Inter-litter interval
Weight at birth	31 g
Weight at weaning
Adult weight	210 g
Postnatal growth rate
Metabolism
Typical body temperature	311ºK or 37.5ºC or 99.5ºF
Basal metabolic rate	0.8520 W
Body mass	208.0 g
Metabolic rate per body mass	0.004096 W/g
References
[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 [0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
External resources
Integrated Taxonomic Information System	ITIS 584923
Animal Diversity Web	ADW account
Encyclopedia of Life	Search EOL
Genome Project	Search NCBI
Entrez	Search all databases Entrez Taxonomy search
Ageing literature	Search Google Scholar Search PubMed Search Scirus
Images	Google Image search
Internet	Search Google

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