Mussel bed closeup (IMAGE) University of California - Davis Caption A mussel bed in the Bodega Bay region of northern California creates three-dimensional habitat for crabs, snails, worms, sea cucumbers, and many other marine species. 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.