To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Supplemental Video 1 Control shrimp on left, experimental opaque shrimp on right Transparent anemone shrimp (Ancylomenes pedersoni) become opaque after exercise and physiological stress in correlation with increased hemolymph perfusion Laura E. Bagge, Stephen T. Kinsey, Justin Gladman, and Sönke Johnsen Journal of Experimental Biology 2017. 220:4225-4233; doi: 10.1242/jeb.162362 Download Original Video