A dad recalled the horrifying moment one of the ocean's most lethal inhabitants almost killed him. Jaun-Paul 'JP' Kalman was wading in the shallows of Balmoral Beach, in the Mosman area of Sydney, Australia , at around 1pm on February 5 last year. At one point, he picked up what he thought was an oyster shell - but there was something much worse on it. Wrapped around his thumb was a blue-ringed octopus, a highly venomous creature. “The head of the octopus was the size of a small marble, and its