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Rhythmic passing wave patterns. (a) S. officinalis (redrawn from Hanlon and Messenger, 1996) and S. apama. (b) S. bandensis. (c) S. latimanus front view (left); lateral view (right). Graph shows the approximate change in speed of the banding pattern before and after aborting a predation attempt. Vertical arrow indicates the timing of prey escape. (d) W. photogenicus. Image shading conventions as per Figure 3.
