Who's the real predator?

Thirty years after Jaws first bared his teeth, sharks are still seen as man's deadliest predator. But, really, it's them who should be afraid of us, says Michael McCarthy

Take two marine animals. Both have been subject to relentless slaughter by man. Both may be driven to extinction. Yet the fate of one commands worldwide public sympathy, while for the other there is, at best, indifference. One is a whale, the other a shark.