Pacific cod otolith (IMAGE) Oregon State University Caption An otilith, or ear stone, from a Pacific cod. Image courtesy Jessica Miller, Oregon State University. Credit Jessica Miller, Oregon State University Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.