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Wilderness: Blue-Ringed Octopus Bite (cont.)

The blue-ringed octopus bite is highly poisonous to humans.

The victim may quickly have difficulty breathing, become paralyzed, and require artificial ventilation until a hospital can be reached.
Numbness, nausea, vomiting, changes in vision, and difficulty swallowing may also occur.

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Octopuses, which are organisms of the class Cephalopoda in the phylum Mollusca, are generally harmless and unlikely to be aggressive unless provoked.