A land snail is a common name for any of the numerous species of snail hat live on land, as opposed to those that live in salt water and fresh water. Land snails are terrestrial mollusks that have shells. Land snails have a strong muscular foot; they use mucus to enable them to crawl over rough surfaces, and in order to keep their soft bodies from drying out. Like other mollusks, land snails have a mantle, and they have one or two pairs of tentacles on their head. Their internal anatomy includes a radula and a primitive brain. In terms of reproduction, the majorities of land snails are hermaphrodite and most lay clutches of eggs in the soil