noun
grey reef shark; gray reef shark; blacktail reef shark
A species of requiem shark (Carcharhinus amblyrhynchos) found in the Indo-Pacific. Common name in Japanese is usually written in katakana.
ダイバーはオグロメジロザメの群れを観察した。
The divers observed a school of grey reef sharks.
オグロメジロザメはサンゴ礁でよく見られる。
Grey reef sharks are often seen around coral reefs.
Compound of 尾黒 (oguro, 'black tail') + 目白 (mejiro, 'white eye') + 鮫 (same, 'shark'), describing the shark's appearance. The exact derivation is uncertain, but the name is descriptive.