Urchins on the March (IMAGE) Duke University Caption Ravenous herbivores, like these sea urchins, can swarm and destroy newly planted restoration efforts. Credit Abbey Dias @abbeyunderwater.com Usage Restrictions none License Original 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.