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| Classification (HAGRID: 02568) | |
| Taxonomy | Kingdom: Animalia Phylum: Chordata Class: Mammalia (Taxon entry) Order: Carnivora Family: Otariidae Genus: Zalophus |
| Species | Zalophus californianus |
| Common name | California sea lion |
Lifespan, ageing, and relevant traits | |
| Maximum longevity | 35.7 years (captivity) |
| Source | ref. 671 |
| Sample size | large |
| Data quality | high |
| Observations | The total gestation time, of approximately 11.5 months, probably includes a 3 month period of delayed implantation [0443]. In the wild, these animals appear to live up to 17 years [0542]. One wild born male was still alive in captivity at about 35.7 years of age [0671]. |
Life history traits (averages) | |
| Female sexual maturity | 1,095 days |
| Male sexual maturity | 1,826 days |
| Gestation | 259 days |
| Weaning | 315 days |
| Litter size | 1.2 (viviparous) |
| Litters per year | 0.5 |
| Inter-litter interval | 730 days |
| Weight at birth | 7,000 g |
| Weight at weaning | 25,000 g |
| Adult weight | 180,000 g |
| Postnatal growth rate | |
| Maximum longevity residual | 114 % |
Metabolism | |
| No information on metabolism available. | |
References |
|
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World | |
External resources | |
| Integrated Taxonomic Information System | ITIS 180621 |
| Animal Diversity Web | ADW account |
| Encyclopedia of Life | Search EOL |
| Genome Project | Search NCBI |
| Entrez | |
| Ageing literature | |
| Images | Google Image search |
| Internet | Search Google |
If you find any missing or incorrect data, please contact us.