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Shark Kills Spearfishing Diver Off Western Australia Island

A 38-year-old man died after a shark attack while spearfishing near Rottnest Island on Saturday. Police and state officials confirmed the incident as Australia's second fatal shark attack this year.

CBS News
1 source·May 18, 10:28 AM(11 days ago)·1m read
Shark Kills Spearfishing Diver Off Western Australia Islandnbcnews.com
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A shark fatally attacked a 38-year-old diver off Rottnest Island near Australia's southwest coast on Saturday, Western Australia Police said. The man had been spearfishing with friends on a coral reef when the attack occurred, Sergeant Michael Wear said.

The victim was near a dive boat when he was bitten on the legs, and friends witnessed the incident, Wear said. The boat transported him about 1,100 yards to the island, where paramedics could not resuscitate him. Lifeguards had reported seeing a 16-foot white shark in the area before the attack.

Officials did not name the victim.

Family members identified him as Steven Mattaboni, the Australian Broadcasting Corporation reported. Mattaboni's wife, Shirene, said the family's hearts are irrevocably broken. She described him as a devoted father to their two daughters, one turning three next month and the other four months old.

Cook called the attack deeply distressing in a social media post. He thanked first responders and emergency personnel for their efforts. The attack marks Australia's second fatal shark attack this year. The previous incident occurred in January when a 12-year-old boy died after being mauled by a bull shark in Sydney Harbor.

Rottnest Island's last fatal shark attack was in 2011. Australia has averaged more than three fatal shark attacks per year in recent decades.

Key Facts

38-year-old man
died in shark attack off Rottnest Island
Steven Mattaboni
identified as victim by family members
16-foot white shark
reported in area before attack by lifeguards
Second fatal attack
Australia's second this year after January incident

Story Timeline

3 events
  1. Saturday

    38-year-old diver attacked while spearfishing near Rottnest Island.

    1 sourceCBS News
  2. Saturday

    Victim transported to island where paramedics could not resuscitate him.

    1 sourceCBS News
  3. January

    12-year-old boy died after bull shark attack in Sydney Harbor.

    1 sourceCBS News

Potential Impact

  1. 01

    Beach safety protocols near Rottnest Island may be reviewed.

  2. 02

    Tourism operators could see temporary changes in visitor behavior.

Transparency Panel

Sources cross-referenced1
Confidence score65%
Synthesized bySubstrate AI
Word count225 words
PublishedMay 18, 2026, 10:28 AM
Bias signals removed2 across 1 outlet
Signal Breakdown
Loaded 1Amplifying 1

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