WhyReef - Fun Facts
The long-spine sea urchin is all turned around: its behind is on its head and its mouth is down by its feet! It uses its tube feet to get a good grip on its food, and then moves its powerful mouth over the food to eat it. Its mouth is made up of fifty pieces of skeleton, sixty muscles, and five tooth plates! In fact, its mouth is so complicated that scientists even gave it its own special name—Aristotle’s Lantern.
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