Rosethorn Rockfish (IMAGE) University of Washington Caption The Rosethorn Rockfish (Sebastes helvomaculatus), one of the 260 known fish species in the Salish Sea. Credit Joseph Tomelleri/University of Washington Press Usage Restrictions Credit required. 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.