How long does a Galápagos Tortoise live?

A galápagos tortoise lives 100 years on average (maximum recorded: 192 years). They reach maturity at 25 years.

Lifespan Overview

Average Lifespan

100 years

Maximum Recorded

192 years

Maturity Age

25 years

Human Year Ratio

1:0.8

Galápagos tortoises routinely live 100+ years. Jonathan, a Seychelles giant tortoise, is 192 years old (born ~1832). They don't reach sexual maturity until 20-25 years old.

Galápagos Tortoise Age → Human Age Converter

Galápagos Tortoise age: 50 years

≈ 40 human years

Developmental Stages

Hatchling 0 days – 5 years

Human equivalent: 0-5 years

Tiny (2-3 inches). Vulnerable to hawks, rats, crabs. Grows slowly.

Juvenile 5 years – 15 years

Human equivalent: 5-15 years

Shell hardening. Growing steadily. Still relatively small.

Sub-Adult 15 years – 25 years

Human equivalent: 15-25 years

Approaching full size. Not yet sexually mature.

Adult 25 years – 80 years

Human equivalent: 25-65 years

Breeding age. 400-900 lbs. Dominant males control territories.

Elder 80 years – 192 years

Human equivalent: 65-100+ years

Still breeding, still eating, still wandering. No natural predators.

Fun Fact

Jonathan the tortoise was alive when Queen Victoria was crowned (1837), through both World Wars, the invention of electricity, cars, planes, computers, and the internet.

Frequently Asked Questions

How long does a galápagos tortoise live?

Galápagos tortoises routinely live 100+ years. Jonathan, a Seychelles giant tortoise, is 192 years old (born ~1832). They don't reach sexual maturity until 20-25 years old.

What is 1 galápagos tortoise year in human years?

Approximately 0.8 human years, though this varies by life stage. Use the age converter above for a more accurate estimate.

What is the oldest galápagos tortoise ever recorded?

The maximum recorded lifespan is 192 years. Jonathan the tortoise was alive when Queen Victoria was crowned (1837), through both World Wars, the invention of electricity, cars, planes, computers, and the internet.

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