noun
luna lionfish
A species of lionfish (Pterois lunulata) found in the Indo-Pacific. The name is often written in katakana as ミノカサゴ.
水族館でミノカサゴを見た。
I saw a luna lionfish at the aquarium.
ハナミノカサゴ (Pterois volitans) is a closely related species, the common lionfish, often confused with ミノカサゴ.
The name ミノカサゴ comes from 蓑 (みの, straw raincoat) and 笠子 (かさご, a type of scorpionfish), referring to the fish's flowing, raincoat-like fins.