Octopuses have gotten a reputation for being cunning camouflagers and intelligent creatures. But some are known for a more ominous reason: They're deadly. One group — the blue-ringed octopus (genus ...

At first glance, this small octopus appears harmless, even endearing. Beneath that appearance lies a biological defense capable of causing severe harm in humans. Its venom is delivered through a bite ...

In June 2024 and for years, rumors have spread that a very small, beautiful octopus covered in blue rings has enough venom to kill 26 adults within minutes: The neurotoxin causes progressive paralysis ...

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The blanket octopus uses venomous man o’ war tentacles as weapons, doubling its reach and surviving in the open ocean.

POULSBO, Wash. — The free aquarium in Poulsbo has eels and anemones. But they want an octopus. "One of the first questions we get asked when people come to Sea Discovery Center is, 'Where's the ...