Tristian, 18, can be heard laughing in the video and he shouts 'oh no' as his friend disappears into the deep patch of water.

The teenager becomes fully submerged under the murky water after his clumsy moment, before he reappears gasping for breath.

But Aidan surprises his friend by shouting: 'Dude, I found a f***ing fish!'

Still neck-deep underwater, Aidan pulls out a fish from the lake which he has caught with his bare hands during the accident.