Supplementary Video 1 (VIDEO) Stanford University 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 Anchovy schools disperse when attached by humpback whales, while krill schools do not show an apparent escape response. Although this is a single example, coordinated escape by krill has not been observed in any of hundreds of lunges from whale-borne camera footage. Credit Stanford University and Cascadia Research Collective; NMFS permit 16111 Usage Restrictions Video may only be used with appropriate caption or credit 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.