Argyropelecus gigas

Content sourced from Wikipedia, licensed under CC BY-SA 3.0.

Argyropelecus gigas, the giant hatchetfish or greater silver hatchetfish, is a marine fish in the hatchetfish family. It lives in the mesopelagic zone of tropical and subtropical waters in most oceans, except for the north Pacific. It is the largest species of marine hatchetfish, usually reaching about 110 mm (4.3 inches) in length. Its conservation status is Least Concern.