ツマグロ

noun

blacktip reef shark

Common name for the blacktip reef shark (Carcharhinus melanopterus), a small shark found in tropical Indo-Pacific waters.

• ツマグロは浅あさいサンゴ礁しょうでよく見みられる。

  Blacktip reef sharks are often seen in shallow coral reefs.

noun

black tip

Archaic original meaning; literally 'black tip' or 'black edge'. Now almost exclusively used in the shark name.

• 古ふるい文ぶん献けんでは、矢やの端つま黒ぐろという表ひょう現げんが見みられる。

  In old documents, the expression 端黒 (つまぐろ) referring to the black tip of an arrow can be found.