Fluorescent Barracuda (IMAGE) University of Kansas Caption Head of a cleared-and-stained Great Barracuda (Sphyraena barracuda). Photo under fluorescent light. Credit M. Girard Usage Restrictions None 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.