do geckos grow their tails back

Do Geckos Grow Their Tails Back?

It’s a common question that many people have when they observe the remarkable way geckos can detach and regrow their tails: do geckos grow their tails back? Turns out, the answer is yes, but there are a few things to keep in mind.

Tail Autotomy

Geckos possess a remarkable biological mechanism known as tail autotomy. This is an evolutionary adaptation that allows the gecko to detach its tail in times of danger, as a defense mechanism. When threatened, a gecko can detach its tail, allowing them to escape quickly.

Regrowth of the Tail

While the detached tail of a gecko will not “grow back” in the same way as a lizard or salamander, it can still regrow. It does so through a process known as tail regeneration. A gecko will regrow a tail that is slightly different from its original form. It will typically be shorter and squatter than the original, and the pattern of scales on the new tail will not be an exact match.

Factors to Consider

There are a few factors to keep in mind when it comes to tail regeneration:

  • The rate of regeneration is dependent on the age and size of the gecko.
  • The new tail will be a slightly different shape, colour, and texture.
  • The new tail will often have nerve and muscle damage, hindering its ability to balance and coordinate movement.
  • The process of regeneration can take months, even years.


In conclusion, it is safe to say that geckos do grow their tails back after they detach. However, keep in mind that the new tail will be slightly different from the original, and the process of regeneration can take months to complete.

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