Galapagos shark forages on a whitetip reef shark. (a) Galapagos shark prowls prior to the attack. (b) Frontal body area torques towards prey, begin of the actual contact with the prey. (c) Vertical position to enhance pressure onto the whitetip. (d) Shaking prey and moving grip posteriorly. (e) Aligning with whitetip shark to swallow tail-first. (f) Devouring whitetip shark. Numbers reflect duration in fraction of seconds from the beginning of first contact (Fig. 1b).