The Unusual Interaction Between Bottlenose Dolphins and Coral Reefs

In 2009, a biologist named Angela Ziltiner was observing bottlenose dolphins in the Red Sea off the coast of Egypt. She noticed that as they swam through the big, bushy, spongy, soft coral, they took the time to rub their bodies up against specific spots. So that would be like you or me walking through an active car wash and leaning into specific spots on brushes and sponges for maximum soapy massage powers.