生いき腐ぐされ

noun

fish that looks fresh but is actually spoiled

Describes fish that appears fresh on the outside but has begun to rot internally. Often used in food safety contexts.

• 生いき腐ぐされの魚さかなは見みた目めではわからないことが多おおい。

  Fish that is spoiled while looking fresh is often hard to spot by appearance.

• 市いち場ばで生いき腐ぐされの魚さかなを買かわないように気きをつけてください。

  Be careful not to buy fish that looks fresh but is actually spoiled at the market.