Bryozoan <I>Alcyonidium diaphanum</I> (IMAGE) University of Gothenburg Caption Individuals of the bryozoan Alcyonidium diaphanum stretch out their tentacles to filter food particles out of the water. Credit Photograph: Judith Fuchs 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.