Visitors to a popular beach on Sydney's North Shore have been warned to watch out for blue-ringed octopuses after several bites were reported.
Mosman Council said multiple bites had been reported at Balmoral Beach over the last week.
The blue-ringed octopus is one of the most venomous animals in the world.
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If bitten, the venom can cause paralysis and stop breathing.
Anyone bitten is advised to seek medical assistance immediately.
"Council was notified by Royal North Shore Hospital that several cases had occurred, to allow Council to provide information to the community to raise awareness about taking care in these areas," a spokesperson for Mosman Council said.
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