AnAge entry for Rattus rattus

Classification (HAGRID: 03503)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Muridae
                    Genus: Rattus
Species
Rattus rattus
Common name
Rat

Lifespan, ageing, and relevant traits

Maximum longevity
4.2 years (captivity)
Source
ref. 671
Sample size
Large
Data quality
Acceptable
Observations

One captive specimen lived for 4.2 years [0671].

Life history traits (averages)

Female sexual maturity
90 days
Male sexual maturity
112 days
Gestation
22 days
Weaning
26 days
Litter size
7.3 (viviparous)
Litters per year
4.3
Inter-litter interval
36 days
Weight at birth
4.55 g
Weight at weaning
39.7 g
Adult weight
200 g
Postnatal growth rate
0.0207 days-1 (from Gompertz function)
Maximum longevity residual
38%

Metabolism

Typical body temperature
311ºK or 38.0ºC or 100.4ºF
Basal metabolic rate
0.7700 W
Body mass
117.0 g
Metabolic rate per body mass
0.006581 W/g

References

External Resources

Integrated Taxonomic Information System
ITIS 180362
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 10117
Entrez
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Ageing Literature
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Internet
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