The black scabbardfish (aphanopus carbo) is a bathypelagic cutlassfish of the family trichiuridae found in the atlantic ocean between latitudes 69°n and 27°n at depths between 180 and 1,700 m (600 and 5,600 ft). its length is up to 110 cm (3.6 ft), but it reaches maturity around 80 to 85 cm (2.6 to 2.8 ft).
Source: Wikipedia