Australia's water polo teams have banked comprehensive victories in their opening games at the world championships in Budapest.
Australia's men's outfit trumped Kazakhstan 10-4 while the women thumped the Kazakhs 16-9 in their respective opening group games.
The victory of the men's team was highlighted by three goals each from Nathan Power and Luke Pavillard.
The team, dubbed the Sharks, featured nine players making their world championships debut .
The fixture was also the first world title game at the helm for coach Tim Hamill.
"With so many players on debut, there were a few nerves before the game," Hamill said.
"Pleasingly, our defence in the first quarter set up a solid performance for us ... and everyone managed to get minutes which is important at this stage of the tournament."
The Sharks meet Olympic champions Serbia and the United States in their other group games while the women's team are also grouped with New Zealand and Brazil.