Juvenile Chinook salmon (IMAGE) University of California - Santa Cruz Caption Juvenile Chinook salmon were tagged with acoustic transmitters, allowing scientists to track them as they migrated down the Sacramento River to the sea. Credit Photo by Alex McHuron Usage Restrictions For use only with news coverage of this research 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.