Monday night’s attack was the first in Sydney Harbour since 2009, when a bull shark tore off the arm of an Australian Navy diver near Green Island. “Sydney residents do love swimming in Sydney Harbour. Dan Himbrechts/EPA-EFE/ShutterstockWarmer waters mean more sharksAustralia is second only to the United States when it comes to “unprovoked” shark attacks, according to the International Shark Attack File. January and February are peak months for bull sharks in Sydney Harbour, which go there to feed and breed during the warmer months. Despite the frequency of visits by bull sharks to Sydney Harbour, there’s no separate system to monitor them.

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Persons: Lauren O’Neill, Elizabeth Bay, Linda Scott, ”, “, Gerard Soury, Michael Porter, ” Porter, Fiona Crago, ” Crago, Dan Himbrechts, Amy Smoothey, Smoothey, ” Smoothey, Scott Organizations: Australia CNN, Sydney Harbour, Opera, Sydney, Australian Navy, CNN, Bank, Sky News, Local, Tweed Heads, NSW Department of Primary Industries, East Australian Locations: Brisbane, Australia, Sydney, Elizabeth, Sydney Harbour, Green Island, Potts Point, Elizabeth Bay, United States, New South Wales, Bega, Tweed, Queensland, there’s, NSW, ”