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A 12-year-old boy is in for the \u201cfight of his life\u201d after being attacked by a large shark in Sydney<\/a> harbour on Sunday afternoon, with police warning against people entering the water at nearby swimming spots.<\/p>\n In a separate incident on Monday, a shark attacked an 11-year-old boy at Dee Why, in the city\u2019s north. The shark left multiple bite marks on his board but the boy was unharmed.<\/p>\n New South Wales police said the boy attacked on Sunday was jumping off a popular rock ledge near Nielsen park in Sydney\u2019s east at about 4.20pm <\/a> with friends when the incident, thought to involve a bull shark, took place.<\/p>\n <\/gu-island><\/p>\n The boy\u2019s friends, all of similar ages, rushed to assist him, with at least one jumping into the water to pull him to safety.<\/p>\n Supt Joe McNulty, the commander of NSW police\u2019s marine area command, praised the friends for their quick response.<\/p>\n \u201cThe actions of his mates who\u2019ve gone into the water and pulled him out have been nothing but brave,\u201d McNulty said.<\/p>\n \u201cAll I can say is the actions between police \u2026 the team who were doing CPR at the time, it was extraordinary. It was a textbook recovery to give this boy a fighting chance for survival. He\u2019s in for the fight of his life now, and the actions of emergency services yesterday gave him that chance.\u201d<\/p>\n A nearby police speedboat responded within minutes and an officer applied a double tourniquet to both of the boy\u2019s legs to stop the bleeding. Officers were administering CPR as the boy was taken by boat to nearby Rose Bay, where ambulance crews were waiting to take him to hospital.<\/p>\n As of Monday afternoon, he remained in critical condition with injuries to both legs.<\/p>\n Sign up: AU Breaking News email<\/sub><\/a><\/p>\n Insp Giles Buchanan of NSW ambulance said the tourniquet applied by officers shortly after the attack was \u201cdefinitely a life-saving intervention\u201d. He described the initial response to the attack as a \u201cresuscitation situation\u201d, noting the boy was unconscious when emergency officials first arrived.<\/p>\n The boy had to be intubated to assist with breathing.<\/p>\n \u201cI think it was touch-and-go the entire time,\u201d Buchanan added. \u201cIt still is.\u201d<\/p>\n The department of primary industries had not yet confirmed what species of shark was thought to be involved, but police officials said it was a \u201clarge\u201d animal.<\/p>\n McNulty noted Sydney harbour was brackish, meaning it contained a mixture of salt and freshwater, and after a weekend of heavy rain, which can worsen visibility, officials believed the water quality, as well as the splashing from people jumping into the water off the rocks, \u201cmay have made that perfect storm environment for the shark attack\u201d, he said.<\/p>\n \u201cAt the moment we\u2019ve experienced a lot of freshwater in the harbour, it\u2019s brackish water so you can\u2019t see the bottom,\u201d he said. \u201cSo I would recommend not swimming there right now. It\u2019s not a good time to swim.\u201d<\/p>\n NSW SharkSmart confirmed that beaches in the vicinity of Nielsen park, including Shark Bay beach and Camp Cove beach, remained closed after the incident.<\/p>\n It also confirmed a shark was sighted in the area later Monday afternoon, about 1.40pm, prompting evacuations from the water. The beach had been closed.<\/p>\n Daryl McPhee, an associate professor and shark expert at Bond University, said bull sharks were well adapted to feeding in murky water.<\/p>\n \u201cThey can find things to eat very well in those conditions,\u201d he said.<\/p>\n \u201cThe rainfall moves fish around areas such as Sydney harbour, and the sharks will follow those fish.\u201d<\/p>\n He said while shark bites were rare in the harbour \u2013 there had been just four in the last 50 years including a woman who was seriously injured<\/a> after a bull shark bit her leg in Elizabeth Bay \u2013 experts advise swimmers to avoid murky water as well as areas with large numbers of small fish.<\/p>\n Bull sharks were opportunistic hunters, and cases of human bites can be the animals seeing if they can eat what is in front of them, McPhee said.<\/p>\n SLS advise beaches in the vicinity of Nielsens Park-Shark Bay Beach, SYDNEY HARBOUR, remain closed after yesterday\u2019s shark incident. Please be #SharkSmart<\/a>.<\/p>\n \u2014 SharkSmart (@NSWSharkSmart) January 18, 2026<\/a><\/p><\/blockquote>\n<\/div>\n <\/gu-island><\/figure>\nSharks \u2018follow those fish\u2019<\/h2>\n
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