Kai McKenzie, was surfing near Port Macquarie in New South Wales (NSW) last Tuesday, when what he describes as “the biggest shark I’ve ever seen” attacked him.

But on Monday, almost a week after the attack, Mr McKenzie posted a picture of himself in hospital and an update on social media.

“Spot something missing? Hahah," the post was captioned.

Detailing the “crazy shark attack”, in an earlier Instagram post he said the outpouring of public support has “meant the absolute world”.