A snake and a snail can only slither.

Can snails crawl?

A snail uses its single long, muscular foot to crawl on a layer of mucus-like slime that it secretes. ... The mucus does help the snail stick to surfaces, however, and comes in handy when traveling up a wall or across a ceiling, upside down.

What is it called when a snail moves?

The so-called foot is the largest part of a gastropod's body visible outside of the shell. Most gastropods' foot is developed to a flat crawling sole at its lower (ventral) side. This points to the most frequent way of snail locomotion: Crawling.