New South Wales state police say the victim is believed to be around 18 years old. He was body boarding today about 100 meters offshore near the northern New South Wales city of Coffs Harbour when he was bitten on the legs.
The teen's friends got him back to the beach, where paramedics tried to save him. He was pronounced dead a short time later. His name was not released.
It was the second deadly attack in Australia this month.