Flounder Otolith (IMAGE) University of New Hampshire Caption Cross-section of a winter flounder inner ear bone, called an "otolith," that is used to determine age and origin of the fish. Credit Dave Bailey 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.