His 20-year-old son said "a lot of people are bleeding, a lot of people down".
David Barkho, whose son was on the cruise, told 3AW that he received a call from him around 1 a.m. asking if he could call the police.
Video of the scuffle, shared on social media, shows dozens of people fighting each other, security guards and other staff before the person filming the incident is confronted by staff. "At 7am today, police from the Marine Area Command were advised of people fighting on-board a cruise ship".
"There are people walking around with cut heads and hands", she told Melbourne radio station 3AW.
One passenger, who gave her name as Katie, said one one family had been "looking for trouble from the minute they got on the ship", adding there were around 30 troublemakers.
Passengers described the incident as a "bloodbath" - and one even dubbed the 10-day trip the "cruise from hell", according to 9News, a local Australian news outlet.
Peter Thiel Leaves Silicon Valley 'One-Party State'
Thiel has gotten more disaffected with politics in a left-leaning Bay Area and more pessimistic about regulatory outcomes for tech businesses, sources told WSJ.
The Illawarra Mercury reported that up to 30 passengers were injured in the bloody brawls.
In a statement to news.com.au, the ship's operator Carnival Cruise Line said staff had taken action against a small number of "disruptive guests".
Crew members and security can be seen trying to break up the fight and kicking two men on the ground.
The Legend is now on a 10-day South Pacific cruise which is scheduled to end in Melbourne tomorrow.
It is not the first time Australian passengers have complained of violence on board cruise ships.
The ship is now back on its way to Melbourne and Ms Vandekreeke said that the measures taken by staff on board would allow fellow cruise guests to enjoy the remaining stages of their holiday.
"The ship's security team is applying our zero-tolerance policy in the interests of the safety and comfort of other guests", the company said.