noun
blue-ringed octopus
Specifically refers to the blue-lined octopus (Hapalochlaena fasciata) and related species. Known for its potent venom.
ヒョウモンダコは小さくても猛毒を持つ。
The blue-ringed octopus is small but highly venomous.
潮だまりでヒョウモンダコを見つけたら、絶対に触らないでください。
If you find a blue-ringed octopus in a tide pool, do not touch it under any circumstances.
The name ヒョウモンダコ (豹紋蛸) literally means 'leopard-pattern octopus', referring to the blue rings that resemble leopard spots. The exact historical derivation is uncertain.