Blue-Ringed Octopus Bite

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Medical Author:

Scott H Plantz, MD, FAAEM

Medical Editor:

N Stuart Harris, MD, MFA

Medical Editor:

Francisco Talavera, PharmD, PhD

Medical Editor:

James Kimo Takayesu, MD

Blue-Ringed Octopus Bite Overview

The blue-ringed octopus is less than 5 inches in diameter with blue rings and luminous tentacles. Found in the Indo-Pacific Ocean area and especially common to southern Australia, the blue-ringed octopus is not an aggressive animal. When human contact with a blue-ringed octopus occurs, it is accidental. Avoid handling this octopus because its sting contains tetrodotoxin, which paralyzes the victim (see Pufferfish Poisoning). The sting is often fatal.

Blue-Ringed Octopus Bite Symptoms»

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