Northeastern Oyster Reef Research Team (image) Northeastern University Caption Marine scientists at the Northeastern University Marine Science Center have shown that the behavior of middle predators in marine food webs plays an important role in the welfare of the whole system. Credit Photo courtesy of WFSU. Usage Restrictions None 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.