HomeScienceWhat happens when you hold the Blue-Ringed Octopus? A man holds the world’s most venomous animal

What happens when you hold the Blue-Ringed Octopus? A man holds the world’s most venomous animal

The blue-ringed octopus may be tiny, but its venom is deadly. A video of a man holding this world's venomous animal goes viral online.

December 16, 2025 / 17:59 IST
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A viral video shows a British man holding blue-ringed octopus (Image: X/@CollinRugg)
A viral video shows a British man holding blue-ringed octopus (Image: X/@CollinRugg)

A viral video shows a man holding a tiny but deadly octopus. This creature is known as the blue-ringed octopus, one of the world’s most venomous animals. Despite its small size, its venom can kill humans. Experts warn against handling this marine species under any circumstances.

What Makes the Blue-Ringed Octopus So Dangerous?

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The blue-ringed octopus is usually no larger than a human palm. Its bright blue rings are a warning to predators and humans. It carries tetrodotoxin, a powerful neurotoxin that can cause paralysis. Bites may lead to respiratory failure and can be fatal if untreated.

What Happened in the Viral Video?

In the clip, a British man holds the octopus carefully in his hand. The animal flashes its characteristic blue rings, alerting viewers to danger. The video has gone viral, capturing the octopus’s beauty and lethality. It reminds viewers that small creatures can pose serious threats.