AnAge entry for Pagophilus groenlandicus

Classification (HAGRID: 02683)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Carnivora
                Family: Phocidae
                    Genus: Pagophilus
Species
Pagophilus groenlandicus
Common name
Harp seal
Synonyms
Phoca groenlandica, Pagophilus groenlandicus oceanicus, Pagophilus groenlandicus groenlandicus

Lifespan, ageing, and relevant traits

Maximum longevity
Not yet established
Observations

In the wild, these animals are believed to live for more than 30 years [0443]. Their longevity in captivity has not been studied in detail, but one specimen was still alive at about 16.3 years of age [0671]. Gestation does not include the 4-month delayed implantation period.

Life history traits (averages)

Female sexual maturity
1,637 days
Male sexual maturity
1,826 days
Gestation
228 days
Weaning
12 days
Litter size
1.25 (viviparous)
Litters per year
Inter-litter interval
365 days
Weight at birth
8,700 g
Weight at weaning
34,580 g
Adult weight
180,000 g
Postnatal growth rate
0.0012 days-1 (from Gompertz function)

Metabolism

Typical body temperature
309ºK or 36.3ºC or 97.3ºF
Basal metabolic rate
Not yet available

References

External Resources

Integrated Taxonomic Information System
ITIS 622022
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Entrez
Search all databases
Ageing Literature
Search Google Scholar or Search PubMed or Search Scirus
Images
Google Image search
Internet
Search Google