Melanostomias

Melanostomias is a genus of barbeled dragonfishes.

Species
There are currently 17 recognized species in this genus:
 * Melanostomias bartonbeani A. E. Parr, 1927 (Scaleless black dragonfish)
 * Melanostomias biseriatus Regan & Trewavas, 1930
 * Melanostomias dio Villarins, Fischer, Prokofiev & Mincarone 2023
 * Melanostomias globulifer Fowler, 1934 (Brightchin dragonfish)
 * Melanostomias macrophotus Regan & Trewavas, 1930
 * Melanostomias margaritifer Regan & Trewavas, 1930
 * Melanostomias melanopogon Regan & Trewavas, 1930
 * Melanostomias melanops A. B. Brauer, 1902
 * Melanostomias niger Gilchrist & von Bonde, 1924 (Fangtooth dragonfish)
 * Melanostomias nigroaxialis Parin & Pokhil'skaya, 1978
 * Melanostomias paucilaternatus Parin & Pokhil'skaya, 1978 (Spothead dragonfish)
 * Melanostomias pauciradius Matsubara, 1938 (Three-ray dragonfish)
 * Melanostomias pollicifer Parin & Pokhil'skaya, 1978
 * Melanostomias stewarti Fowler, 1934
 * Melanostomias tentaculatus (Regan & Trewavas, 1930) (Tentacle dragonfish)
 * Melanostomias valdiviae A. B. Brauer, 1902 (Valdivia black dragonfish)
 * Melanostomias vierecki Fowler, 1934