← Hermann's Tortoise care guide
How Long Do Hermann's Tortoises Live?
Hermann's tortoises commonly live 50 to 75 years, with some individuals exceeding 90. Plan for the animal to outlive the original keeper, because it frequently does.
Published lifespan figures
| Figure | Value | Notes |
|---|---|---|
| Commonly published | 50-75 years | From this site's care guide |
| Some individuals | Exceed 90 years | Reported |
| Planning | Plan for the animal to outlive you | Explicitly worth doing |
Checked September 20, 2026 against the sources at the foot of this page. Where sources differ the range is shown rather than averaged.
What actually shortens it
Published lifespans describe well-kept animals. The gap between the figure above and what a hermann's tortoise actually lives is almost entirely husbandry, and these are the levers that matter most.
Dry growth conditions
The Hermann's-specific one. Low humidity during the growth years drives pyramiding at least as much as diet does, and a juvenile on perfect food in a dry enclosure still pyramids.
UVB failure
Shelled species show calcium problems as soft shell and deformity, and it is usually a lighting failure rather than a diet one. Glass filters UVB out, and bulbs lose output within 6 to 12 months while still looking lit.
Brumation gone wrong
They brumate naturally, but an animal that goes into it underweight, unwell or at the wrong temperature may not come out. Brumation needs planning rather than an enclosure that happens to get cold.
Common questions
How long do Hermann's tortoises live?
Commonly 50 to 75 years, with some individuals exceeding 90. It is sensible to plan for the tortoise outliving its original owner.
What shortens a Hermann's tortoise's life?
Dry conditions during growth, which drive pyramiding independently of diet. Metabolic bone disease from inadequate UVB, and brumation attempted with an underweight or unwell animal.
Is brumation risky for Hermann's tortoises?
Done properly it is normal biology. Done with an underweight or unwell animal, or at uncontrolled temperatures, it can be fatal. It needs a planned setup rather than a cold enclosure.