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.
I saw a luna lionfish at the aquarium.
red lionfish; Pterois volitans
Standard katakana spelling for this fish name.
Kanji spelling is rare and mainly used in specialized contexts; the word is usually written in kana.
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.