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AnAge entry for Chironectes minimus

Classification (HAGRID: 02816)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Didelphimorphia
                Family: Didelphidae
                    Genus: Chironectes
SpeciesChironectes minimus
Common nameWater opossum (yapok)

Lifespan, ageing, and relevant traits

Maximum longevity3.1 years (captivity)
Sourceref. 671
Sample sizesmall
Data qualityacceptable
Observations

Among all the members of the didelphid family, this species seems to be the one that develops more rapidly. One captive specimen lived for 3.1 years [0671].

Life history traits (averages)

Female sexual maturity304 days
Male sexual maturity
Gestation
Weaning
Litter size4 (viviparous)
Litters per year
Inter-litter interval
Weight at birth
Weight at weaning
Adult weight700 g
Postnatal growth rate
Maximum longevity residual23 %

Metabolism

Typical body temperature308ºK or 35.0ºC or 95.0ºF
Basal metabolic rate2.7930 W
Body mass940.5 g
Metabolic rate per body mass0.002970 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
[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 SystemITIS 552533
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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