Blue-ringed octopus

Blue-ringed octopus: the size of a coin, yet the most "hardcore" venomous creature in the sea.

Quick Tips Despite their tiny size (their mantle is usually no larger than a golf ball), they carry tetrodotoxin (TTX) ...

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2026-01-12
Blue-ringed octopus: the size of a coin, yet the most "hardcore" venomous creature in the sea.
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