Solitary Phaeosystis (IMAGE) Georgia Institute of Technology Caption Phaeocystis suppresses colony formation in the presence of chemical signals from copepods and remains as small, solitary cells like these that are only a few micrometers in diameter. Credit Image courtesy of Robert Andersen 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.