The Study Lake (IMAGE) Cary Institute of Ecosystem Studies Caption Heading out to change the battery on an antenna used to monitor fish movement in the study lake. Credit Julia Barron Usage Restrictions To promote this press release. 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.