AnAge entry for Rattus lutreolus
Classification (HAGRID: 03082)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Rodentia
Family: Muridae
Genus: Rattus
- Species
- Rattus lutreolus
- Common name
- Australian swamp rat
- Synonyms
- Rattus lacus, Mus tetragonurus, Mus vellerosus, Mus velutinus, Rattus lutreolus imbil, Rattus lutreolus cambricus
Lifespan, ageing, and relevant traits
- Maximum longevity
- 4.4 years (captivity)
- Source
- ref. 671
- Sample size
- Small
- Data quality
- Acceptable
- 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 maturity
- 79 days
- Male sexual maturity
- Gestation
- 27 days
- Weaning
- 25 days
- Litter size
- 5 (viviparous)
- Litters per year
- 2.53
- Inter-litter interval
- Weight at birth
- 4.87 g
- Weight at weaning
- 25 g
- Adult weight
- 115 g
- Postnatal growth rate
- 0.0277 days-1 (from Gompertz function)
- Maximum longevity residual
- 43%
Metabolism
- Typical body temperature
- 310ºK or 36.7ºC or 98.1ºF
- Basal metabolic rate
- 0.3530 W
- Body mass
- 109.0 g
- Metabolic rate per body mass
- 0.003239 W/g
References
- [1032] McNab (2008), An analysis of the factors that influence the level and scaling of mammalian BMR (PubMed)
- [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 System
- ITIS 585533
- Animal Diversity Web
- ADW account (if available)
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 472760
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google