Sumi1978 [2013-03-05 20:20:56 +0000 UTC]
I don't think that the shark is capable of actually bludgeoning prey to death, there is no record of it doing so. It would not move its head multiple times, as it would be a waste of energy for the shark. It hits the ray once with the head, then it goes back and proceeds to eat the wings after pinning the ray to the ocean floor. Or it bites the wings off while the ray is swimming.
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