Alligator Eating Nurse Shark (image) Kansas State University Share Print E-Mail Caption Kansas State University postdoctoral researcher James Nifong documents widespread American alligators' predation of four species of shark like this nurse shark. Credit Photo courtesy of U.S. Fish and Wildlife Service J.N. Usage Restrictions Credit U.S. Fish and Wildlife Service J.N. "Ding" Darling National Wildlife Refuge to use the photo. 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.