Dead clams (IMAGE) University of Washington Caption Dead Manila clams are seen open on a beach in Washington, following a record heat wave in summer 2021. Credit Teri King/Washington Sea Grant Usage Restrictions No restrictions. License Public Domain 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.