Sharks are the undisputed kings of the shallows, voracious predators who, with one flash of a fin, can send crowds of paddlers fleeing for the safety of the shore.
But one plucky pooch showed a group of these fierce fish just how handy man's best friend can be when he rounds them up like a flock of timid lambs.
These incredible pictures show the moment a dog rounds on a group of sharks, and even dives under the water and gives one a nip.
