blue-ringed octopus

British  

noun

1. a highly venomous octopus, Octopus maculosus , of E Australia which exhibits blue bands on its tentacles when disturbed

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Example Sentences

With a split-second muscle contraction, the greater blue-ringed octopus can change the size and color of the namesake patterns on its skin for purposes of deception, camouflage and signaling.

From Science Daily • Jan. 4, 2024

The diving and snorkeling are spectacular, and even tidepooling routinely turns up rarities like the blue-ringed octopus.

From New York Times • Nov. 19, 2010

You can survive a blue-ringed octopus bite with constant CPR-up to 24 hours of it.

From Time Magazine Archive

“The blue-ringed octopus, the marbled cone snail, the inland taipan snake, and...uh...the deathstalker scorpion.”

From "Scythe" by Neal Shusterman