AnAge entry for Tachyglossus aculeatus

Classification (HAGRID: 03055)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Monotremata
                Family: Tachyglossidae
                    Genus: Tachyglossus
Species
Tachyglossus aculeatus
Common name
Short-nosed echidna

Lifespan, ageing, and relevant traits

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

These are relatively long-lived animals. There are anecdotal reports of one animal living over 50 years in captivity [0434]. The record longevity, however, belongs to a 49.5 year-old female kept at Philadelphia Zoo [0671]. These animals have also been reported to live up to 48 years in the wild [0835].

Life history traits (averages)

Female sexual maturity
548 days
Male sexual maturity
548 days
Incubation
22 days
Weaning
200 days
Clutch size
1 (oviparous)
Clutches per year
Inter-litter interval
730 days
Weight at hatching
0.379 g
Weight at weaning
400 g
Adult weight
3,500 g
Postnatal growth rate
0.013 days-1 (from Gompertz function)
Maximum longevity residual
290%

Metabolism

Typical body temperature
304ºK or 30.7ºC or 87.3ºF
Basal metabolic rate
2.3270 W
Body mass
2909.0 g
Metabolic rate per body mass
0.000800 W/g

References

External Resources

Integrated Taxonomic Information System
ITIS 552522
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 9261
Entrez
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Ageing Literature
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Images
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Internet
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