Dogfish spiral intestine (IMAGE) University of Washington Caption A CT scan image of a dogfish shark spiral intestine, shown from the top looking down. Credit Samantha Leigh/California State University, Dominguez Hills 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.