The victim was spearfishing near Michaelmas Island, southeast of Perth, when he was attacked by a shark estimated to be about 4.5 meters (15 feet) long.

Emergency services said the attack was reported at around 11:25 a.m. local time. The man was brought back to shore, where paramedics attempted to revive him, but he died from his injuries.

Western Australia Police confirmed the fatality, while the state’s Department of Primary Industries and Regional Development urged the public to exercise caution and monitor shark alerts in the area.

The incident comes two weeks after a fatal shark attack in Queensland and follows another deadly attack off Rottnest Island near Perth last month.

Scientists have suggested that warming ocean temperatures and changing shark migration patterns may be contributing to increased encounters between sharks and humans in Australian waters.