Striated Region (IMAGE) University of California - Riverside Caption A cross-section of the mantis shrimp club shows the striated region that was characterized by UCR researchers. This region comprises a unique structure that wraps around the club to protect it from self-inflicted damage as the mantis shrimp crushes its prey. Credit UC Riverside 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.