Prymnesium Algae Attacking a Green Alga (image) University of Arizona Caption Shimmering golden under a microscope, Prymnesium algae are seen swarming and devouring a green alga. A human hair would cover most of the swarm. Credit William Driscoll Usage Restrictions This visual may only be used in conjunction with reporting/posting of this news release. Image/video credit must be included exactly as indicated. 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.