Positioning Cage (IMAGE) Georgia Institute of Technology Caption Diver Anne Prusak works on a cage used to contain fish atop a coral reef to study the role of diversity among herbivorous fishes. Credit Photo: Deron Burkepile 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.