Dolly Varden Among Sockeye Salmon (image) University of Washington Caption Brightly colored sockeye salmon surge by as a Dolly Varden waits its chance to binge on salmon eggs. Credit J Armstrong/U of Washington Usage Restrictions Credit required. No commercial use. 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.