Japanese giant salamander lifespan and age in human years
Longest recorded 55 years
🏆 The longest-lived japanese giant salamander on record reached 55 years in captivity.
Japanese giant salamander (Andrias japonicus). The oldest known individual lived 55 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 5 years
- Gestation about 60 days
How old in human years?
Age
Japanese giant salamander age chart in human years
Shaded rows are equivalent to human age 60+.
| Japanese giant salamander | Human age | Stage |
|---|---|---|
| 5 yr | 18 | Teen |
| 10 yr | 28 | Adult |
| 15 yr | 38 | Adult |
| 20 yr | 49 | Middle age |
| 25 yr | 59 | Middle age |
| 30 yr | 69 | Senior |
| 35 yr | 79 | Elderly |
| 40 yr | 89 | Elderly |
| 45 yr | 100 | Elderly |
| 50 yr | 110 | Elderly |
| 55 yr | 120 | Elderly |
| 60 yr | 130 | Elderly |
Japanese giant salamander profile
| Classification | Amphibia > Caudata > Cryptobranchidae |
|---|---|
| Scientific name | Andrias japonicus |
| Age of maturity | 5 years |
| Gestation | about 60 days |
| Litter / clutch size | 500 |
| Longest recorded | 55 years (captivity) |
Sources
How we convert ages: method.
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