It's one of our greatest fears - the stuff of horror movies and ocean folklore. But for many Australians, the prospect of being eaten by a shark has become all too real.A spate of shark attacks - some fatal - has left Australians' love affair with the ocean in tatters. Some argue nets are vital to keep these predators at bay, but others say those who enter the sharks' natural domain must accept the risk.As debate rages over how best to protect swimmers, 101 East asks, how safe is it for Australians to go back into the water.