To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 High speed video movie (500 frames/sec) showing the pectoral fin movements and corresponding calls (oscillogram) during sound production Unusual sound production mechanism in the triggerfish Rhinecanthus aculeatus (Balistidae) Eric Parmentier, Xavier Raick, David Lecchini, Kelly Boyle, Sam Vanwassenbergh, Frédéric Bertucci, and Loïc Kéver Journal of Experimental Biology 2017. 220:186-193; doi: 10.1242/jeb.146514 Download Original Video