noun
opah; moonfish
A large, colorful deep-sea fish (Lampris guttatus).
アカマンボウは深海に生息する大型の魚です。
The opah is a large fish that lives in the deep sea.
Usually written in katakana; the kanji form 赤翻車魚 is rare.
Kanji form is rarely used; the word is usually written in kana.
The name likely derives from 赤 (red) and 翻車魚 (mola mola), referring to its reddish color and resemblance to the ocean sunfish, but the exact origin is uncertain.