AnAge entry for Erignathus barbatus

Classification (HAGRID: 02221)

Taxonomy: Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Carnivora
                Family: Phocidae
                    Genus: Erignathus
Species: Erignathus barbatus
Common name: Bearded seal
Synonyms: Phoca barbata, Phoca leporina, Phoca parsonii, Phoca lepechenii

Maximum longevity: Not yet established
Observations: The total gestation time includes a 2 months period of delayed implantation [0443]. The actual embryonic development takes about 8.5 months. In the wild, these animals have been reported to live up to 31 years [0573]. Their longevity in captivity has not been studied in detail and hence their maximum longevity must be classified as unknown.

No information on metabolism is available.

[0443] Ronald Nowak (2003), Walker's Marine Mammals of the World
[0610] Ernest (2003), Life history characteristics of placental non-volant mammals
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[0441] William Burt et al. (1998), A Field Guide to Mammals
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0680] Wootton (1987), The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction
[0573] David Macdonald (1985), The Encyclopedia of Mammals