Oyster Shells (image) University of Washington Share Print E-Mail Caption Empty Pacific oyster shells are placed on a mat after being sampled. The effect of acidified waters on multiple generations of Pacific oysters can influence aquaculture in Washington and globally. Credit Yaamini Venkataraman/University of Washington Usage Restrictions credit required Share Print E-Mail 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.