Blue-ringed octopus

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

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What Wikipedia says

Blue-ringed octopuses, comprising the genus Hapalochlaena, are four extremely venomous species of octopus that can be found in shells between rocks and crevices in tide pools and also coral reefs in the Pacific and Indian Oceans, from Japan to Australia.

Excerpt from the Wikipedia article “Blue-ringed octopus”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Jens Petersen, CC BY 2.5, via Wikimedia Commons.