クロカジキ

• カジキ

  カジキ is the general term for marlin or swordfish, while クロカジキ specifically refers to the Indo-Pacific blue marlin.

• マカジキ

  マカジキ is the striped marlin, a different species from the Indo-Pacific blue marlin.

• クロカジキ
  kana-only spelling

  Usually written in katakana.

• 黒くろ梶かじ木き

  Rare kanji spelling; 梶木 is a traditional but uncommon way to write かじき.

• 黒くろ旗魚かじき

  Rare kanji spelling; 旗魚 is a less common alternative for かじき.

Compound of 黒 (くろ, 'black') + カジキ ('marlin'). The name likely refers to the dark coloration of this marlin species.