Dr. Mahmood Shivji, Stony Brook University (image) Stony Brook University Share Print E-Mail Caption Dr. Mahmood Shivji is shown working with a shark. Credit B. Wetherbee Usage Restrictions Caption must be used. 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.