Japanese mamushi lifespan and age in human years
Longest recorded 13.8 years
🏆 The longest-lived japanese mamushi on record reached 13.8 years in captivity.
Japanese mamushi (Gloydius blomhoffii). The oldest known individual lived 13.8 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 mamushi age chart in human years
Shaded rows are equivalent to human age 60+.
| Japanese mamushi | Human age | Stage |
|---|---|---|
| 1 yr | 9 | Child |
| 2 yr | 17 | Teen |
| 3 yr | 26 | Adult |
| 4 yr | 35 | Adult |
| 5 yr | 43 | Middle age |
| 6 yr | 52 | Middle age |
| 7 yr | 61 | Senior |
| 8 yr | 70 | Senior |
| 9 yr | 78 | Elderly |
| 10 yr | 87 | Elderly |
| 11 yr | 96 | Elderly |
| 12 yr | 104 | Elderly |
| 13 yr | 113 | Elderly |
| 14 yr | 122 | Elderly |
| 15 yr | 130 | Elderly |
| 16 yr | 139 | Elderly |
Japanese mamushi profile
| Classification | Reptilia > Squamata > Viperidae |
|---|---|
| Scientific name | Gloydius blomhoffii |
| Longest recorded | 13.8 years (captivity) |
Sources
How we convert ages: method.
More Reptiles & amphibians
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Reeves' turtleLifespan about 25 years
Tortoise (Hermann's, Greek, etc.)Lifespan about 60 years
Leopard geckoLifespan about 15 years
Bearded dragonLifespan about 9 years
Ball pythonLifespan about 20 years
Corn snakeLifespan about 15 years
AxolotlLifespan about 11 years
Pacman frog (horned frog)Lifespan about 10 years
Japanese firebelly newtLifespan up to 25 years (record)
Japanese rat snakeLifespan up to 13.1 years (record)
AxolotlLifespan up to 17 years (record)