noun
flesh of a blueback fish
Refers to the bluish-colored flesh of fish such as sardines, mackerel, and saury. Used in cooking and food contexts.
See also: 青魚 (あおざかな)
青身の魚は傷みやすいので、早めに調理してください。
Blueback fish spoil easily, so please cook them soon.
この刺身は青身がきれいですね。
This sashimi has a beautiful bluish flesh, doesn't it?