Possums in your roof are bad enough, but what about fighting snakes?

That's what Cairns snake catcher David Walton was confronted with when called to a house in the city's northern beaches on Wednesday.

Snake catchers David Walton (right) and Steve (left): Two scrub pythons were found fighting in the roof of a Cairns home, with another two snakes watching on. Credit:David Walton

"The residents rang me with suspicions they might have snakes," he said.

"I climbed up through a man hole and into the roof space, and saw two scrub pythons brawling away."