Can a Snail survive if its shell is broken?

Yes, provided that the damage isn’t too severe. Snailskeep a store of calcium in their bodies, in the form of dissolved salts, that they can mobilise for repair jobs. Special cells, called amoebocytes, will congregate around the crack and form a living elastoplast to hold the broken edges together. Over the course of a week or two, these cells are infused with calcium and gradually harden. In the case of more drastic repairs, the snail may actually borrow calcium from the rest of the shell by slightly thinning the walls from inside, to provide enough building material. While a snail is repairing its shell, it is much more vulnerable to predators and drying out, so it will stop eating and hide away. The snail’s survival depends on whether it can repair the damage before it dies of desiccation, hunger or infection.

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3 comments

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I can't understand while repairing its shell because of drying out and predators, that snail why stop eating and hide them...
Wow ! Why would they choose to die so they can repair their shell. They should go and hide in a place where they can eat