Bacterioplankton (IMAGE) University of California - Santa Barbara Caption Bacterioplankton (dots) surrounded by a nanoflagellate (white), which preys on the bacteria. Credit Rachel Parsons 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.