I’m a Shark Man, Myself

The question is simple, as are most profound questions.

Given a relatively level playing field – i.e., water deep enough so that a Shark could maneuver proficiently, but shallow enough so that a Bear could stand and operate with its characteristic dexterity – who would win in a fight between a Bear and a Shark?

                 -- from Bear v. Shark, a novel by Chris Bachelder