Tiny Marine Plankton (IMAGE) U.S. National Science Foundation Caption Tiny marine plankton form colonies in a variety of shapes visible to the naked eye. Credit Carly Buchwald, WHOI 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.