The twin brother of shark victim Mercury Psillakis has led hundreds of surfers in a paddle out in his memory on Sydney's Northern Beaches on Saturday morning. Mr Psillakis was mauled by a white shark, between 3.4 to 3.6 metres in length, a day before Father's Day while surfing with a group of friends at Long Reef Beach near Dee Why. The 57-year-old was just 100m from the shore and had been in the ocean for half-an-hour when he, along with his board, disappeared underwater. A couple of other surf