AnAge entry for Arctocephalus australis
Classification (HAGRID: 02208)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Carnivora
Family: Otariidae
Genus: Arctocephalus
- Species
- Arctocephalus australis
- Common name
- South American fur seal
- Synonyms
- Arctocephalus australis australis, Arctocephalus australis gracilis
Lifespan, ageing, and relevant traits
- Maximum longevity
- 30.6 years (captivity)
- Source
- ref. 671
- Sample size
- Small
- Data quality
- Acceptable
- Observations
It has been estimated that females may live up to 30 years in the wild and males up to 20 years [0611]. One wild born female was about 30.6 years old when she died in captivity [0671]. Gestation time excludes delayed implantation period.
Life history traits (averages)
- Female sexual maturity
- 1,095 days
- Male sexual maturity
- 2,556 days
- Gestation
- 236 days
- Weaning
- 411 days
- Litter size
- 1 (viviparous)
- Litters per year
- 1
- Inter-litter interval
- 365 days
- Weight at birth
- 4,250 g
- Weight at weaning
- Adult weight
- 110,000 g
- Postnatal growth rate
- Maximum longevity residual
- 106%
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)
- [0978] Jones et al. (2009), PanTHERIA: a species-level database of life history, ecology, and geography of extant and recently extinct mammals
- [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
- [0434] Ronald Nowak (1999), Walker's Mammals of the World
- [0611] Lima and Paez (1995), Growth and reproductive patterns in the South American fur seal
- [0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
- [0542] Bernhard Grzimek (1990), Grzimek's Encyclopedia of Mammals
External Resources
- Integrated Taxonomic Information System
- ITIS 180633
- Animal Diversity Web
- ADW account (if available)
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 161928
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google