Shark attacks are usual situation in Australian waters, about 15 timesa year..and an average of one a year is fatal.. So that was this time.. Eric Nerhus, 41 year old diver, was diving on Australia'a south-east coast..when he was attacked.The 3 metre shark, as he said, bit him from the head down, breaking his nose by crushing his face mask inwards. He says, "I would say that would test anyone's resolve, being a fish lunch. " Then the shark took a second bite, this time seizing Eric by the body and biting into his torso. His