ヒョウモンダコ
Meanings
1
blue-ringed octopus
usually written using kana alone
Specifically refers to the blue-lined octopus (Hapalochlaena fasciata) and related species. Known for its potent venom.
The blue-ringed octopus is small but highly venomous.
If you find a blue-ringed octopus in a tide pool, do not touch it under any circumstances.