Japanese salamander lifespan and age in human years
Longest recorded 12.9 years
🏆 The longest-lived japanese salamander on record reached 12.9 years in captivity.
Japanese salamander (Hynobius retardatus). The oldest known individual lived 12.9 years; this chart maps that record to a human age of 120. Most individuals live considerably shorter lives than the record.
How old in human years?
Age
Japanese salamander age chart in human years
Shaded rows are equivalent to human age 60+.
| Japanese salamander | Human age | Stage |
|---|---|---|
| 1 yr | 9 | Child |
| 2 yr | 19 | Teen |
| 3 yr | 28 | Adult |
| 4 yr | 37 | Adult |
| 5 yr | 47 | Middle age |
| 6 yr | 56 | Middle age |
| 7 yr | 65 | Senior |
| 8 yr | 74 | Senior |
| 9 yr | 84 | Elderly |
| 10 yr | 93 | Elderly |
| 11 yr | 102 | Elderly |
| 12 yr | 112 | Elderly |
| 13 yr | 121 | Elderly |
| 14 yr | 130 | Elderly |
| 15 yr | 140 | Elderly |
Japanese salamander profile
| Classification | Amphibia > Caudata > Hynobiidae |
|---|---|
| Scientific name | Hynobius retardatus |
| Longest recorded | 12.9 years (captivity) |
Sources
How we convert ages: method.
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