Injury-Free Fighting (IMAGE) Purdue University Caption The mantis shrimp can fight itself without getting injured. Researchers are mimicking the tail segment structures that make this possible. Credit University of California, Berkeley image/Roy Caldwell 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.