Dillon Beach mussel bed landscape (IMAGE) University of California - Davis Caption Dense mussel beds grow on rocky intertidal surfaces along the shores of Dillon Beach in Northern California. Credit Jacqueline Sones, UC Davis Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.