Gila monster lifespan and age in human years
Longest recorded 28.9 years
🏆 The longest-lived gila monster on record reached 28.9 years in captivity.
Gila monster (Heloderma suspectum). The oldest known individual lived 28.9 years; this chart maps that record to a human age of 120. Most individuals live considerably shorter lives than the record.
- Adult weight about 553 g
How old in human years?
Age
Gila monster age chart in human years
Shaded rows are equivalent to human age 60+.
| Gila monster | Human age | Stage |
|---|---|---|
| 5 yr | 21 | Adult |
| 10 yr | 42 | Middle age |
| 15 yr | 62 | Senior |
| 20 yr | 83 | Elderly |
| 25 yr | 104 | Elderly |
| 30 yr | 125 | Elderly |
Gila monster profile
| Classification | Reptilia > Squamata > Helodermatidae |
|---|---|
| Scientific name | Heloderma suspectum |
| Adult weight | about 5.5e+02 g |
| Longest recorded | 28.9 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)
Japanese mamushiLifespan up to 13.8 years (record)