To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2 Particle movements and frame sequences of velocity vector fields and vorticity fields in the fine mesh enclosure at the center of the experimental aquarium in wave-driven flow (see Fig. 2). Recorded at 30 Hz; played at 30 Hz. Journal of Experimental Biology ; doi: 10.1242/jeb.234351 Download Original Video