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'Toxic' waters behind the surge of shark attacks in Adelaide, SA
‘Toxic’ waters behind the surge of shark attacks in Adelaide, SANews.com.AU, Karen Grace Prince, May 19, 2025
Increased shark attacks and sightings have been blamed on a ‘toxic’ growth in South Australian waters as the state government extends safety patrols.
Deputy Premier Susan Close, who is also the state’s environment minister, told ABC that the state is experiencing a huge algal bloom that is not only “driving the sharks away” but also “poisoning them” and in some cases making them act more aggressively, comparing the size of the bloom to Kangaroo Island.
...
“Not only is it poisonous (to fish) but also causes haemorrhaging of the skin and overnight it sucks oxygen out of the ocean beneath it which means that the kind of fish that can’t move away are also suffocating,” she said.
...
“The ocean is not behaving normally,” she said.
“This is exactly what we would expect to happen as climate change becomes more serious, and so really please pay attention”.
...
“Not only is it poisonous (to fish) but also causes haemorrhaging of the skin and overnight it sucks oxygen out of the ocean beneath it which means that the kind of fish that can’t move away are also suffocating,” she said.
...
“The ocean is not behaving normally,” she said.
“This is exactly what we would expect to happen as climate change becomes more serious, and so really please pay attention”.
https://www.news.com.au/travel/travel-updates/incidents/toxic-waters-behind-the-surge-of-shark-attacks-in-adelaide-sa/news-story/657de825aed768c3a8e2d38c352a7f69