Diverse Fish Species (IMAGE) Florida Atlantic University Caption How collective herbivory emerges in these ecosystems is poorly understood and ultimately hinges on ‘multivalent’ interactions among diverse fish species. Credit Michael Gil Usage Restrictions Credit: Michael Gil 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.