Dolly Varden cCmpare August, June (image) University of Washington Caption Although the same length, a specimen of Dolly Varden collected in August when salmon eggs are available weighs 50 percent more than a specimen from June when there is no egg subsidy. Credit M Bond/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.