The Coral-Crushing Steephead Parrotfish (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Scientists studied the microstructure of the coral-chomping teeth of the steephead parrotfish, pictured here, to learn about the fish's powerful bite. Credit Alex The Reef Fish Geek/Nautilus Scuba Club, Cairns, Australia Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.