Hammerhead transformation (VIDEO) University of Florida This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption During development, baby bonnetheads suddenly sprout their namesake hammerhead feature, which matures as they continue to grow. Credit Gareth Fraser Usage Restrictions None 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.