CANBERRA, Australia (AP) -- A surfer fought off a two-meter (7-foot) shark with his board at an Australian beach Saturday -- then continued surfing, a life guard said.

The man in his 30s returned to Sydney's Bronte Beach 30 minutes after surviving the attack with a replacement board, despite the beach being closed because of the danger, life guard Aaron Graham said.

"He was pretty calm about it, very laid back," said Graham, who was on the beach when the unidentified surfer rode his damaged board in.

The man was among a small group of surfers sitting on their boards about 30 meters (100 feet) offshore at dawn Saturday when the shark attacked, Graham said.

"He jumped off the back and pushed the board toward the shark, keeping it between them," Graham said.

The shark took two bites of the fiberglass board before ceasing the attack, Graham told The Associated Press by telephone. "There were two big puncture mark bites on the board, but it didn't actually bite a hunk out of it so he was able to ride it in."