AnAge entry for Metachirus nudicaudatus
Classification (HAGRID: 02501)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Didelphimorphia
Family: Didelphidae
Genus: Metachirus
- Species
- Metachirus nudicaudatus
- Common name
- Brown four-eyed opossum
Lifespan, ageing, and relevant traits
- Maximum longevity
- 3 years (captivity)
- Source
- ref. 671
- Sample size
- Small
- Data quality
- Acceptable
- Observations
These animals are short-lived in captivity with a record longevity of 3 years [0671]. Without more detailed studies, however, their maximum longevity could be underestimated, and some anecdotal reports suggest they may live up to 4 years.
Life history traits (averages)
- Female sexual maturity
- Male sexual maturity
- Gestation
- Weaning
- Litter size
- 5 (viviparous)
- Litters per year
- Inter-litter interval
- 365 days
- Weight at birth
- Weight at weaning
- Adult weight
- 440 g
- Postnatal growth rate
- Maximum longevity residual
- 24%
Metabolism
- Typical body temperature
- 308ºK or 35.0ºC or 95.0ºF
- Basal metabolic rate
- 1.1440 W
- Body mass
- 336.0 g
- Metabolic rate per body mass
- 0.003405 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)
- [0522] Fisher et al. (2001), The ecological basis of life history variation in marsupials
- [0434] Ronald Nowak (1999), Walker's Mammals of the World
External Resources
- Integrated Taxonomic Information System
- ITIS 552563
- Animal Diversity Web
- ADW account (if available)
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 42725
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google