Juvenile scalloped hammerhead (IMAGE) Faculty of Sciences of the University of Lisbon Caption Juvenile scalloped hammerhead (Sphyrna lewini). Credit Vasco Pissarra Usage Restrictions Attribution is required. License Original 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.