Black-and-white ocean predator (4)

I believe the answer is:

orca

'black-and-white ocean predator' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for orca that I've seen before include "27 [WHALE]" , "School killer" , "Killer in deep" , "Predatory black and white toothed whale" , "Danger for swimmers" .)

I've seen this clue in the Universal and the USA Today.

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