Sample of Some of the Open Ocean Prey (IMAGE) University of Hawaii at Manoa Caption This is a sample of some of the open ocean prey of the large predatory fishes sampled for mercury in this study. The fishes pictured here are primarily myctophids, a common deep-water prey item and abundant mid-water organism. Credit Lisa De Forest, Department of Oceanography/SOEST 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.