Not on purpose, but if there is algae (food) on another snails shell, they will eat it off.
Some species of snail certainly will if they get the chance.
You don't. Snails grow to their shells through a thin layer of skin. If you pick them from their shells you may very well kill or injure them.
snails have shells slugs don't it is obvious
Snails dont rebuild their shells. I used to think that slugs were just snails without shells, but without their shells, snails die. Their bodies are sort of connected to the shells.
Their shells?
They grow them.
shells.
Yes, snails have really hard shells.
The snails shell is part of its body
Snails have shells and slugs don't.
see snails also have shells