Bufoceratias microcephalus, the small-head toady seadevil, is a species of deep sea marine ray-finned fish belonging to the family Diceratiidae, the double anglers. This is a bathypelagic species which is known only from its holotype which was taken from a depth between in the eastern Indian Ocean off the coast of Java at 8°31.3'S, 110°25.0'E - 8°30.8'S, 110°23.6'E.