Four people have been attacked by sharks in New South Wales in 48 hours, including three incidents at Sydney beaches, prompting warnings for swimmers to stay out of the water.
Experts say heavy rainfall has caused murky water conditions, creating a 'perfect storm' that attracts fish and sharks to feeding areas near the coast.
Bull sharks are known to frequent murky waters and are considered one of the more dangerous species due to their aggressive nature and ability to swim in shallow waters.
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Authorities have urged beachgoers to exercise caution and avoid swimming in murky water or near river mouths where bull sharks are often found.
