Otolith -- Golden Perch (IMAGE) CSIRO Australia Caption This is a magnified thin section taken from the otolith of an eight-year-old golden perch caught in Lake Eppalock. Credit CSIRO 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.