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AnAge entry for Rattus lutreolus


Classification (HAGRID: 03394)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Muridae
                    Genus: Rattus
SpeciesRattus lutreolus
Common nameAustralian swamp rat

Lifespan, ageing, and relevant traits

Maximum longevity4.4 years (captivity)
Sourceref. 671
Sample sizesmall
Data qualityacceptable
Observations

In the wild, these animals tend to live less than one year, with a record of 2.4 years [0628]. One captive specimen lived 4.4 years [0671].

Life history traits (averages)

Female sexual maturity79 days
Male sexual maturity
Gestation27 days
Weaning25 days
Litter size5 (viviparous)
Litters per year2.53
Inter-litter interval
Weight at birth4.87 g
Weight at weaning25 g
Adult weight115 g
Postnatal growth rate0.0277 days-1 (from Gompertz function)
Maximum longevity residual43 %

Metabolism

Typical body temperatureNot yet available
Basal metabolic rate0.3530 W
Body mass109.0 g
Metabolic rate per body mass0.003239 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
[0610] Ernest (2003), Life history characteristics of placental non-volant mammals
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0628] Taylor and Calaby (1988), Rattus lutreolus
[0680] Wootton (1987), The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction
[0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves

External resources

Integrated Taxonomic Information SystemITIS 585533
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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