no snails do not have fights they do not have any hands
yes there are many
yes
they dont have any
snails use there thin layer of skin to diffuse any organic gasses.
From an earlier answer:'Escargot' is the generic name for snails, of any species.
No.
No. Only aquatic snails can live in water. It is not adviseable to add any snails to an aquarium IMO anyway.
The same as any other dog has.
yes it is called there instincts everybody has them
Snails love to eat bananas, but be careful with any fruits that you don't spoil your tank water (if they are aquatic snails).
They have a shell on their back.