Muscles quickly twitch and, in a flash of sinew and claw, the video cuts to black as the phone goes underwater.
Ouch. Photo / Mildura Martial Arts
Muffled sounds of combat are heard before the kangaroo is seen again, seemingly unbothered but without his canine prey.
The man laughs and the camera briefly shows his dog safe on the riverbank.
“Martial arts for everyone even kangaroos,” the caption underneath the video reads, before adding the qualifier: “FYI, BJJ (Brazilian Jiu Jitsu) ineffective in the rover against 7ft tall kangaroos.”
“I’d fight a kangaroo for my dog too,” one person wrote under the video, while another joked that kangaroos are “just deers that have been to prison”.
“I was just hoping that it didn’t go any further than what it did, I was a bit shocked, it was very scary, I’m not sure what I would have done if it had have kept going,” she said.