These are teeth located on a snail’s “tongue,” or radula, also called a rasper, which is constantly licking the ground to scrape up and transport food into the snail’s mouth as it moves. Get a closer ...

RADULA movement in prosobranchiate gastropods is a factor in the predator-prey relationship of many species of gastropods (Naticidæ, Muricidæ and others) and other molluscs, involving ...

These nudibranchs have a rough, tongue-like feeding structure called a radula. They use this to scrape their food ... It then uses an expandable hood that encircles its mouth to capture free-swimming ...