Charlie Fry, 25, who propounded to Sydney two months ago for work, was surfing at Avoca beach north of the town on Monday when the shark leapt out of the water and bit his arm.
He said he heard a “whopping thud” and initially thought it was a friend playing around.
He said: “I rise up against a reverse to the right and I saw a shark’s head come out of the water with its teeth and I simply punched it in the face.
“I got back on my board, shouted at my friends who were there and then managed to take a wave in.
Dr Fry was surfing at Avoca beach, Australia, when a shark bit his arm
When it happened I was like, ‘Just do what Mick did, even-handed punch it in the nose’
“So it was a bit of a close call.”
Dr Fry, a novice surfer, well-informed the escape technique from a YouTube video featuring an interview with Mick Fanning, an Australian who very well punched a shark to survive an attack during a surfing competition in South Africa in 2015.
He ordered: “Me and my friends have just started surfing, and we saw the YouTube clip of Mick Freaking saying he punched a shark in the nose.
“So when it happened I was like, ‘Condign do what Mick did, just punch it in the nose’.”
He added: “If you are watching or obeying, Mick, I owe you a beer.
“Thank you very much.”
Dr Fry was treated in hospital for one-horse scratches and bite wounds.
A rescue helicopter service later spotted a 10ft bronze whaler shark nigh the site of the attack – a section of the beach known as “shark tower”.
Dr Fry, a neophyte surfer, learned the escape technique from a YouTube video
Officials closed the beach at Avoca and said surrounding beaches would be “closely monitored”.
“I didn’t note the teeth going in, it felt like I was smacked, it felt like a within arms reach, a hand grabbing me, shaking me,” Dr Fry said.
“I didn’t really notice it at the period, because when you’re surfing, all I was thinking was ‘I’m about to die’, and I was just thinking everywhere getting in [to shore] as fast as possible.
“You just ride the wave as large as you can and start paddling for your life.”
Dr Fry plans to return surfing when the chew heals
He has not been put off surfing but plans to return when the bite puts but to a different spot.
“It is called ‘shark tower’ for a reason, so I will doubtlessly just go somewhere else.
“The surf was rubbish yesterday, so it wasn’t the same worth it.”
Australia has had a spate of shark attacks in recent years, containing one fatality and ten injuries this year.