Its poison can kill 20 people in one go.

A woman has been bitten by a deadly blue-ringed octopus on a popular beach in Sydney.

Dailymail writes about it.

A 30-year-old woman picked up a sink in the water. While she was examining the find on the beach, a blue-ringed octopus about 10 cm long crawled out of the shell and bit her twice in the stomach.

“The blue ringed octopus is a rarity for us. It is very poisonous. The poison of one bite can kill 20 people,” said New Wales Ambulance Inspector Christian Holmes.

Octopus venom is called tetrodotoxin and causes paralysis by slowing down the body, including the respiratory system.

Tetrodotoxin is a thousand times more toxic to humans than cyanide, a highly toxic salt of hydrocyanic acid that dissolves easily in water.

There is no antidote for tetrodotoxin. Bite victims can only survive the toxin under a ventilator until its effects wear off.

There have been only a few confirmed victims in Australian history from being bitten by the blue ringed octopus as it usually hides in small crevices and does not attack unless threatened.

“Sea mollusks usually bite only if they feel threatened from the outside,” experts say.

Recall that in the Odessa region, in Bolshaya Mikhailovka, an 11-month-old child was poisoned by rat poison. Fortunately, the boy survived.

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