The scaleless black dragonfish (Melanostomias bartonbeani) also known as the scaleless dragonfish is a species of ray-finned fish from the family Stomiidae.

It's native to the Eastern, Western and Northwest Atlantic, as well as the Indian and Pacific oceans.

The species is mesopelagic.

It can be found in depths of 25 to 2,000 m (82 to 6,562 ft).

This order Stomiiformes (dragonfish and other stomiiforms) related article is a stub.