One thing I can tell you is that a snail's bottom is right over its head.
It has been reported that at least one snail lived as many as 14 years in captivity. His name was George and he lived in Hawaii, in the United States.
New research reveals how stress could alter our perceptions about which animals are 'smart'.
Pond snails use things like rocks or the side of their aquarium as their bed, attaching themselves while they sleep. This might not seem very relaxing but their shells do hang away from their body.
There's a terrifying species that spreads rapidly, breeds prolifically and eats hundreds of plants. But the first research into the actual harm caused by giant African land snails found ... not much.
Snail shells appear to be part of the creatures' immune system.