<i>Trichodesmium</i> (IMAGE) University of Southern California Caption This image shows a colony of Trichodesmium. Credit Courtesy of John Waterbury/Woods Hole Oceanographic Institution Usage Restrictions For use in news stories only. 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.