Brown algae (IMAGE) Max Planck Institute for Marine Microbiology Caption The brown algae Fucus vesiculosus grows on stones almost everywhere along the North Sea and Baltic Sea. For the study the researchers also examined fucoidan of these algae like those at the coast of Heligoland. Credit Max Planck Institute for Marine Microbiology/M. Schultz-Johansen Usage Restrictions Only to be used in the context of this publication and citing the correct copyright 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.