AnAge entry for Cystophora cristata

Classification (HAGRID: 02671)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Carnivora
                Family: Phocidae
                    Genus: Cystophora
Species
Cystophora cristata
Common name
Hooded seal

Lifespan, ageing, and relevant traits

Maximum longevity
Not yet established
Observations

The total gestation time, of approximately 11.5 months, includes a 4 months period of delayed implantation [0443]. In the wild, these animals have been estimated to live more than 35 years [0573]. Little is known about their longevity in captivity, though.

Life history traits (averages)

Female sexual maturity
1,095 days
Male sexual maturity
1,826 days
Gestation
240 days
Weaning
7 days
Litter size
1 (viviparous)
Litters per year
1
Inter-litter interval
365 days
Weight at birth
18,000 g
Weight at weaning
43,300 g
Adult weight
405,000 g
Postnatal growth rate

Metabolism

No information on metabolism is available.

References

External Resources

Integrated Taxonomic Information System
ITIS 180657
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 39293
Entrez
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Ageing Literature
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Internet
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