A 12-year-old boy who was bitten by a shark while swimming with friends at a popular cliff-jumping spot in Sydney Harbour has died in hospital nearly a week later, authorities and relatives said. The boy, identified as Nico Antic, was attacked near Jump Rock by Shark Beach in Vaucluse on Jan. 18 and was pronounced dead Saturday.
Antic’s death has shaken a city where harbor swimming is a summer ritual and bites are rare. Police, paramedics and bystanders rushed to help after the attack, applying tourniquets and carrying the boy to an ambulance. Hospitals in Sydney’s east mobilized trauma teams as beaches closed and aerial patrols searched for sharks through the long weekend. Family statements and club tributes poured in as classmates, teammates and neighbors gathered to remember a child described as joyful, kind and determined. The case has prompted fresh questions about conditions in the harbor after heavy rains and about a known gap just beyond protective nets near the popular jumping ledge.
Antic had been in the water with friends early Saturday evening when he entered an area outside the anti-shark net line and was bitten on both legs, according to initial accounts from emergency responders. Witnesses said friends and adults nearby helped lift him from the water and tried to slow the bleeding before paramedics arrived. He was taken to Sydney Children’s Hospital in Randwick, where doctors performed emergency surgery and blood transfusions. He was placed in a medically induced coma. In the following days, relatives shared that his condition remained critical. On Saturday, his parents said their son had died from his injuries, thanking friends, first responders and hospital staff for their efforts.
Officials have not confirmed the shark species. Several marine experts who reviewed photos and conditions described a bull shark as a likely culprit given the location inside the harbor and murky water after recent rain. The attack happened in late afternoon light at a section of rocks where swimmers leap into deeper water near the mouth of a small bay. The site sits only a short swim from a netted ocean pool and beach that are considered safer. In the hours after the bite, surf lifesavers and police boats patrolled the shoreline. Pilots in helicopters and drones scanned for movement as lifeguards broadcast warnings to stay out of the water at nearby beaches and coves.
In a statement, Antic’s parents, Lorena and Juan, called their son a happy boy who loved rugby and friends, and said the family was “heartbroken” at his loss. Messages also came from his local club, Eastern Suburbs Rugby Union, known as the Beasties, where he had played since early primary school. Coaches thanked community members who visited the clubhouse to share stories and to support teammates who had trained and traveled with him. The club said it would work with the family on a tribute when they were ready and asked the public to give them space while they grieved. At the school he attended, administrators organized counseling for students and staff and planned a remembrance once classes resume.
New South Wales authorities closed sections of the harbor and several beaches after the attack and increased on-water patrols over the weekend. Weather before the incident had stirred sediment in the harbor, cutting visibility and potentially drawing bait fish toward drains and headlands. That mix can bring bull sharks closer to shore during the warm months. Shark nets are installed off many Sydney beaches, but they do not create full barriers and can leave gaps around headlands and rock shelves. Jump Rock sits outside the netted swim area at Shark Beach, a quirk many locals accept in summer when they line up to jump into the deeper channel beyond the buoys.
Australia typically records around 20 shark bites a year, with only a small number fatal, according to long-running national tallies. Fatal bites inside Sydney Harbour have been uncommon in recent decades, though aggressive shark behavior sometimes increases after storms when runoff reduces clarity. Last year, a surfer north of the harbor died after a large shark mauled him at an ocean beach. In 2022, a swimmer was killed by a great white off Sydney’s eastern beaches, the first such death there in many years. The latest incident has renewed debate over the limits of nets and the role of aerial drones and sonar buoys that can detect larger animals entering bays and estuaries.
Police and the state Department of Primary Industries are compiling reports for the coroner, a routine step in fatal incidents. That process can take weeks and may include interviews with friends who were present, analysis of bite patterns on medical imagery, and any footage from phones or nearby cameras. Authorities said they will review patrol logs, weather and tide data, and the placement of hazard signs near the rocks where people jump. Local officials will decide whether to add new warnings or barriers at the ledge. Beaches that closed as a precaution have reopened in stages as patrols report clear conditions, but lifeguards said they would continue surveillance through the holiday period.
Onshore Saturday, flowers and hand-drawn notes appeared near the path that leads down to the rocks. A small rugby ball, scuffed from play, sat beside a spray of native wattle. “Forever our number eight,” one card read, using the position Antic often played. A woman who lives nearby said she heard shouting and saw boats converging on the cove. “It went from laughter to sirens in minutes,” she said. At dusk, families paused by the fence overlooking the water as helicopters circled beyond the headland. In Vaucluse village, shopkeepers spoke quietly with customers about the boy the whole neighborhood had watched grow up on the oval.
Community leaders urged patience with the family and cautioned against speculation as investigators finish their work. Hospital officials did not release further medical details beyond confirming the death. Marine biologists emphasized that shark encounters remain uncommon given the number of people who swim and paddle in the harbor each summer, though they acknowledged the fear a high-profile case like this brings. Surf lifesaving groups said they would focus on patrols and clear public messaging during peak hours and would meet with council staff about the Jump Rock area once the coroner’s review is underway.
As of Sunday, authorities said patrols would continue along Sydney’s eastern suburbs while schools and sports clubs plan tributes in consultation with the family. The coroner’s office will outline next steps after receiving investigative reports in the coming weeks. Any further updates are expected to include findings on conditions at the time of the attack and whether additional warnings or barriers will be proposed near Jump Rock.
Author note: Last updated January 25, 2026.