red tonguesole
A species of flatfish (Cynoglossus joyneri) found in East Asian waters. Used as a food fish.
Red tonguesole is often eaten simmered in soy sauce or deep-fried.
Kanji spelling is rare; the word is usually written in kana.
The name literally means 'red-tongue flounder', from 赤 (red) + 舌 (tongue) + 鮃 (flounder). The exact derivation is uncertain, but it likely refers to the reddish underside of the fish.