Diceratias is a genus of deep sea marine ray-finned fish belonging to the family Diceratiidae, the double anglers.
[1] When he described D. bispinosus Günther gave the type locality as off Banda Island at a depth of 360 fathoms (2,160 ft; 660 m) on the Challenger expedition of 1872-1876.
[2] This genus is one of two genera in the family Diceratiidae which the 5th edition of Fishes of the World classifies within the suborder Ceratioidei within the order Lophiiformes, the anglerfishes.
They also have a large mouth which reaches back beyond the eye, a well developed spine on the symphysis of the mandible which reaches just past the maxilla, the presence of vomerine teeth, there are large spines in the skin,[6][7] the dorsal fin has between five and seven rays while the anal fin has four rays and they have a small pelvic bone which is joined to the cleithrum.
[9] The largest species in the genus is D.pileatus with a maximum published standard length for a metamorphosed female of 23.5 cm (9.3 in).