黒くろ身み

noun

dark red fish meat; blood-rich meat near the spine

Refers to the dark red, iron-rich meat of fish like tuna, typically found along the spine. Often contrasted with 血合い (the very dark bloodline) and 赤身 (lean red meat).

See also: 血合い

• マグロの黒くろ身みは鉄てつ分ぶんが多おおく、独どく特とくの風ふう味みがある。

  The dark meat of tuna is rich in iron and has a distinctive flavor.

• 寿す司し屋やで黒くろ身みの部ぶ分ぶんをにぎりにしてもらった。

  At the sushi restaurant, I had them make nigiri with the dark meat part.