AnAge entry for Monachus schauinslandi
Classification (HAGRID: 02230)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Carnivora
Family: Phocidae
Genus: Monachus
- Species
- Monachus schauinslandi
- Common name
- Hawaiian monk seal
Lifespan, ageing, and relevant traits
- Maximum longevity
- Not yet established
- Observations
In the wild, these animals are believed to live up to 30 years [0573]. Little is known about their longevity in captivity, though one wild born specimen was still living in captivity at about 22.8 years of age [0671].
Life history traits (averages)
- Female sexual maturity
- 1,825 days
- Male sexual maturity
- Gestation
- 335 days
- Weaning
- 35 days
- Litter size
- 1 (viviparous)
- Litters per year
- 0.5
- Inter-litter interval
- 465 days
- Weight at birth
- 17,000 g
- Weight at weaning
- 64,000 g
- Adult weight
- 222,500 g
- Postnatal growth rate
Metabolism
No information on metabolism is available.
References
- [1143] Nussey et al. (2013), Senescence in natural populations of animals: widespread evidence and its implications for bio-gerontology (PubMed)
- [0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
- [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
- [0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
- [0573] David Macdonald (1985), The Encyclopedia of Mammals
External Resources
- Integrated Taxonomic Information System
- ITIS 180661
- Animal Diversity Web
- ADW account
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 29088
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google