Black-tip Shark (IMAGE) ARC Centre of Excellence for Coral Reef Studies Caption Reef sharks, like this black-tip shark, typically eat small fishes, mollusks and crustaceans. Black-tip sharks, in turn, are eaten by larger sharks such as tiger and hammerhead sharks. Credit Simon Gingins Usage Restrictions Image may only be used with appropriate caption or credit. 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.