代だい用よう魚ぎょ

noun

substitute fish

Refers to using a different, often cheaper or more available, fish species in place of the traditional one in a dish, especially in sushi and sashimi.

• 回かい転てん寿ず司しでは、マグロの代だい用よう魚ぎょとしてアカマンボウが使つかわれることがある。

  At conveyor-belt sushi restaurants, opah is sometimes used as a substitute for tuna.

• 代だい用よう魚ぎょを使つかうことで、高こう級きゅう魚ぎょの味あじを手て頃ごろな価か格かくで楽たのしめる。

  By using substitute fish, you can enjoy the taste of high-grade fish at an affordable price.