AnAge entry for Phoca vitulina

Classification (HAGRID: 02685)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Carnivora
                Family: Phocidae
                    Genus: Phoca
Species
Phoca vitulina
Common name
Harbor seal

Lifespan, ageing, and relevant traits

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

In the wild, these animals are believed to live up to 40 years [0542]. One wild born specimen was about 47.6 years of age when it died in captivity [0671].

Life history traits (averages)

Female sexual maturity
1,095 days
Male sexual maturity
1,460 days
Gestation
253 days
Weaning
30 days
Litter size
1 (viviparous)
Litters per year
1
Inter-litter interval
365 days
Weight at birth
11,000 g
Weight at weaning
23,945 g
Adult weight
115,000 g
Postnatal growth rate
0.0013 days-1 (from Gompertz function)
Maximum longevity residual
163%

Metabolism

Typical body temperature
310ºK or 36.7ºC or 98.1ºF
Basal metabolic rate
73.2900 W
Body mass
27400.0 g
Metabolic rate per body mass
0.002675 W/g

References

External Resources

Integrated Taxonomic Information System
ITIS 180649
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 9720
Entrez
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Ageing Literature
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Images
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Internet
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