Southern sea lion lifespan and age in human years
Longest recorded 29 years
🏆 The longest-lived southern sea lion on record reached 29 years in captivity.
Southern sea lion (Otaria flavescens). The oldest known individual lived 29 years; this chart maps that record to a human age of 120. Most individuals live considerably shorter lives than the record.
- Reaches adulthood at about 4 years
- Adult weight about 208 kg
- Gestation about 357 days
- About 1 young at a time
How old in human years?
Age
Southern sea lion age chart in human years
Shaded rows are equivalent to human age 60+.
| Southern sea lion | Human age | Stage |
|---|---|---|
| 5 yr | 22 | Adult |
| 10 yr | 42 | Middle age |
| 15 yr | 63 | Senior |
| 20 yr | 83 | Elderly |
| 25 yr | 104 | Elderly |
| 30 yr | 124 | Elderly |
Southern sea lion profile
| Classification | Mammalia > Carnivora > Otariidae |
|---|---|
| Scientific name | Otaria flavescens |
| Adult weight | about 2.1e+02 kg |
| Age of maturity | 4 years |
| Gestation | about 357 days |
| Litter / clutch size | 1 |
| Longest recorded | 29 years (captivity) |
Sources
How we convert ages: method.
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