Ayu lifespan and age in human years
Longest recorded 3 years
🏆 The longest-lived ayu on record reached 3 years.
Ayu (Plecoglossus altivelis). The oldest known individual lived 3 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
Ayu age chart in human years
Shaded rows are equivalent to human age 60+.
| Ayu | Human age | Stage |
|---|---|---|
| 3 mo | 10 | Child |
| 6 mo | 20 | Adult |
| 9 mo | 30 | Adult |
| 1 yr | 40 | Middle age |
| 1 yr 3 mo | 50 | Middle age |
| 1 yr 6 mo | 60 | Senior |
| 1 yr 9 mo | 70 | Senior |
| 2 yr | 80 | Elderly |
| 2 yr 3 mo | 90 | Elderly |
| 2 yr 6 mo | 100 | Elderly |
| 2 yr 9 mo | 110 | Elderly |
| 3 yr | 120 | Elderly |
Ayu profile
| Classification | Teleostei > Osmeriformes > Osmeridae |
|---|---|
| Scientific name | Plecoglossus altivelis |
| Longest recorded | 3 years |
Sources
How we convert ages: method.
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