A man bitten in Mosman said he felt himself stop breathing. He was hit with so much venom he suffered another three bouts of ...

The 43-year-old experienced four bouts of paralysis after being bitten by a tentacled animal at a popular Sydney beach.

There was no pain and no sign of a bite, but it was just minutes before the 43-year-old realised he was in serious trouble.

The blue-ringed octopus is one of the most venomous sea ... only developing the characteristic blue, glowing rings when threatened. At four to six centimetres long, the sea creature’s small ...

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“If you are bitten, seek medical assistance immediately.” The blue-ringed octopus shows its characteristic rings when it feels threatened. Picture: Supplied The blue-ringed octopus is one of ...