Blacktip Reef Shark (IMAGE) University of California - Davis Caption Blacktip reef sharks are apex predators in Mo'orea, French Polynesia, where they create landscapes of fear for reef fish. Credit Mike Gil/UC Davis Usage Restrictions Provide 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.