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Largemouth bass

Largemouth bass lifespan and age in human years

Longest recorded 23 years

🏆 The longest-lived largemouth bass on record reached 23 years in the wild.

Largemouth bass (Micropterus salmoides). The oldest known individual lived 23 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

Largemouth bass age chart in human years

Shaded rows are equivalent to human age 60+.

Largemouth bassHuman ageStage
1 yr5Child
2 yr10Child
3 yr15Teen
4 yr21Adult
5 yr26Adult
6 yr31Adult
7 yr36Adult
8 yr42Middle age
9 yr47Middle age
10 yr52Middle age
11 yr57Middle age
12 yr62Senior
13 yr68Senior
14 yr73Senior
15 yr78Elderly
16 yr83Elderly
17 yr89Elderly
18 yr94Elderly
19 yr99Elderly
20 yr104Elderly
21 yr110Elderly
22 yr115Elderly
23 yr120Elderly
24 yr125Elderly
25 yr130Elderly
26 yr136Elderly
27 yr141Elderly
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Largemouth bass profile

ClassificationTeleostei > Perciformes > Centrarchidae
Scientific nameMicropterus salmoides
Adult weightabout 5.5 kg
Age of maturity3.5 years
Longest recorded23 years (wild)

Sources

How we convert ages: method.

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