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| Classification (HAGRID: 02825) | |
| Taxonomy | Kingdom: Animalia Phylum: Chordata Class: Mammalia (Taxon entry) Order: Didelphimorphia Family: Didelphidae Genus: Marmosa |
| Species | Marmosa robinsoni |
| Common name | Robinson's mouse opossum |
Lifespan, ageing, and relevant traits | |
| Maximum longevity | 5 years (captivity) |
| Source | ref. 434 |
| Sample size | small |
| Data quality | acceptable |
| Observations | Life expectancy in the wild is probably under 1 year. Reproductive ability declines in the second year of life. There is one report of a male specimen obtained at an unknown age living almost 5 years in captivity [0434]. |
Life history traits (averages) | |
| Female sexual maturity | 279 days |
| Male sexual maturity | 365 days |
| Gestation | 14 days |
| Weaning | 68 days |
| Litter size | 10 (viviparous) |
| Litters per year | |
| Inter-litter interval | 134 days |
| Weight at birth | 0.1 g |
| Weight at weaning | 11 g |
| Adult weight | 75 g |
| Postnatal growth rate | |
| Maximum longevity residual | 52 % |
Metabolism | |
| Typical body temperature | 307ºK or 34.0ºC or 93.2ºF |
| Basal metabolic rate | 0.5470 W |
| Body mass | 122.0 g |
| Metabolic rate per body mass | 0.004484 W/g |
References |
|
[0036] Savage et al. (2004), The predominance of quarter-power scaling in biology | |
External resources | |
| Integrated Taxonomic Information System | ITIS 552550 |
| Animal Diversity Web | ADW account (if available) |
| Encyclopedia of Life | Search EOL |
| Genome Project | Search NCBI |
| Entrez | |
| Ageing literature | |
| Images | Google Image search |
| Internet | Search Google |
If you find any missing or incorrect data, please contact us.