Pink Salmon (IMAGE) University of Washington Caption Wild Bristol Bay sockeye salmon are competing for food in the ocean with hatchery-released pink salmon (pictured above) and chum salmon. Credit Jason Ching/University of Washington Usage Restrictions Photo credit required. This image must not be used for purposes other than to accompany news articles about 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.