Acantharian (IMAGE) Marine Biological Laboratory Caption Acantharian, a marine microbe that inhabits open waters. This image was collected for the International Census of Marine Microbes, which was co-directed by Marine Biological Laboratory scientists. Credit Linda Amaral Zettler/MBL and micro*scope Usage Restrictions Please use with proper credit 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.