Most snails have thousands of microscopic tooth-like shapes on their ribbon-shaped, tongue-like appendage called the radula. Once food gets in their mouth, the snail’s radula rips it up like a ...

Slugs and snails eat using a tongue-like structure called a radula. This conveyor belt of tiny ridges acts like a piece of sandpaper that the snail rolls over its food. ‘You might see a leaf that’s ...