AnAge entry for Marmosa robinsoni

Classification (HAGRID: 02134)

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
1.5
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

External Resources

Integrated Taxonomic Information System
ITIS 552550
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 91496
Entrez
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Ageing Literature
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Internet
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