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SESK: Stuff Everyone Should Know · sesk.info/reptile-leopard-gecko-lifespan

How long can a pet leopard gecko live, per the Merck Veterinary Manual?

20 years or more.

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  1. 1 to 2 years
  2. About 5 years
  3. 20 years or more ✔

Why: Merck's lifespan table lists the leopard gecko at 20+ years. A gecko bought for a 10-year-old could still be around when that child is 30, so the whole family should plan for it.

Huh, didn't know that: Leopard geckos have the longest listed life span among the lizards on Merck's table.

The dad joke
Why did the leopard gecko get good grades? It stuck to its studies.
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References

Answer: 20 years or more. Merck's lifespan table lists the leopard gecko at 20+ years. A gecko bought for a 10-year-old could still be around when that child is 30, so the whole family should plan for it.

  1. Average Life Span of Reptiles in Captivity (Merck Veterinary Manual) www.merckvetmanual.com/multimedia/table/average-life-span-of-reptiles-in-captivity
    Leopard gecko 20+ years
    Checked 2026-10-11.

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