AnAge entry for Onychomys torridus

Classification (HAGRID: 02545)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Cricetidae
                    Genus: Onychomys
Species
Onychomys torridus
Common name
Southern grasshopper mouse
Synonyms
Onychomys longicaudus, Onychomys macrotis, Onychomys pulcher, Onychomys ramona, Onychomys torridus clarus, Onychomys torridus perpallidus, Onychomys torridus tularensis, Onychomys torridus yakiensis, Onychomys torridus ramona

Lifespan, ageing, and relevant traits

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

Females seldom breed for more than 2 years. Sexual maturity is reached as early as 6 weeks after birth [0434]. As juveniles, females have on average 3.8 litters per year with a total of 9.8 young. As adults, the litter number decreases to 1.6 litters per year for a total of 4 young per year.

Life history traits (averages)

Female sexual maturity
41 days
Male sexual maturity
41 days
Gestation
30 days
Weaning
20 days
Litter size
3.7 (viviparous)
Litters per year
2.7
Inter-litter interval
30 days
Weight at birth
2.6 g
Weight at weaning
9.2 g
Adult weight
22 g
Postnatal growth rate
0.018 days-1 (from Gompertz function)
Maximum longevity residual
58%

Metabolism

Typical body temperature
309ºK or 36.0ºC or 96.8ºF
Basal metabolic rate
0.1650 W
Body mass
19.1 g
Metabolic rate per body mass
0.008639 W/g

References

External Resources

Integrated Taxonomic Information System
ITIS 180383
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 38674
Entrez
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Ageing Literature
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Images
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Internet
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