Goliath Grouper (image) Wildlife Conservation Society Caption A new genetic study by the University of Hawaii, the Wildlife Conservation Society, and others has found that there are two species of goliath grouper instead of one. Credit Rachel Graham/Wildlife Conservation Society Usage Restrictions Image for one-time usage only. Must use credit with image. 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.