Suction Feeders and Biters (IMAGE) University of California - Santa Cruz Caption These images show the skulls of suction-feeding eels on the left and biting eels on the right. The insets show ventral views of the hyoid apparatus, one of the main skeletal elements used to produce suction. Credit R. Mehta Usage Restrictions For use only with news coverage of this research 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.