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A man shows a stranded purple jellyfish or crown jellyfish (Cephea cephea) floating on Palu Bay Beach, Central Sulawesi, Indonesia on February 17, 2023. Dozens of jellyfish between 30cm and 50cm in diameter that live in the deep seas around the Pacific and East Atlantic Seas and are also found on Australia's Sydney South Coast coast are thought to be carried by strong winds and ocean currents other than due to climate change factors. Murdoch University of Australia's Marine Expert Mike Van Kuelen said it was likely that the jellyfish stranding was due to Australia's eastern aurs stretching from North to South. When the water is warm due to climate change, ocean waves cause bleaching on the Great Barrier Reef and encourage tropical species to migrate south rather than their normal habitats. (Photo by Basri Marzuki/NurPhoto via Getty Images)