Strong acting, and so powerful it can quickly cause death.
That's the reality for those unlucky enough to be bitten by a blue-ringed octopus.
Initially its bite is painless.
But quickly the fast-acting toxin goes to work, paralysing its target.
Beware the beautiful but venomous blue-ringed octopus: Paramedics
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The creature is smaller than a 50 cent coin, but its bite releases a toxin that can kill if treatment isn't administered fast enough.
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