• A British tourist nears danger after touching a poisonous octopus in the Philippines
• The bite of the blue-ringed octopus can cause paralysis and death without warning

A British tourist visiting the Philippines almost experienced a serious incident after unknowingly touching one of the most poisonous marine creatures in the world while swimming.

Andy McConnell was spending his vacation in the country when he encountered a small octopus in shallow waters. Thinking it was harmless, he picked it up and later shared photos of the encounter on his Instagram account.

The octopus had previously been touched by local children on the beach.

The incident drew widespread attention after social media users and wildlife experts recognized the creature, discovering it was a blue-ringed octopus, known for its extremely lethal venom.

According to a British magazine, these octopuses are found in waters between Australia and Japan and are considered among the most dangerous marine animals despite their small size.

When feeling threatened, their skin turns bright yellow with blue and black rings that signal danger, a phenomenon known as "warning coloration."

Medical research reported by the U.S. National Library of Medicine indicates that the octopus’s venom contains tetrodotoxin, a neurotoxin believed to be about 1,000 times more potent than cyanide. A single bite can cause paralysis, respiratory failure, and death within minutes, and there is no known antidote.

One of the most dangerous aspects is that the bite is often painless, which may prevent the victim from immediately realizing they have been bitten.

McConnell later stated that he was unaware of the danger at the time and only understood the seriousness of the situation after his post went viral, describing the incident as "a very close encounter with death."