A shark fisher found himself up against some fierce competition as he tried to reel in a massive catch.

But rather than tussling with another keen angler, he was fighting a hungry crocodile over the huge shark.

In the terrifying footage shot on Cape Don, in the Northern Territory, a group of friends are seen watching as the man hauls in his catch.

A shark fisher found himself up against some fierce competition as he tried to reel in a massive catch

But just seconds later, a saltwater crocodile is seen swimming closer to shore.

It stalks its way through the shallows before scuttling up the shore towards the shark.

Just as it is about to sink its jaws into the shark, a friend of the fisher steps forward and hits the crocodile on the nose with a boathook.

Learning its lesson, the croc scampers back into the water and swims off.

A crocodile stalks its way through the shallows before scuttling up the shore towards the shark

Just as it is about to sink its jaws into the shark, a friend of the fisher steps forward and hits the crocodile on the nose with a boathook

Seemingly not that bothered by the crocodile's brief intervention, the men gather on the shoreline and pose for pictures with their catch.

The shark was apparently released back into the sea unharmed moments later.