The toothed seadevil, spiny seadevil or netbeard seadevil, (Neoceratias spinifer), is a rarely seen deep-sea anglerfish found in the mesopelagic and bathypelagic zones of the western central Pacific Ocean. It is the only species in the family Neoceratidae, and is unique amongst the deep-sea anglerfish in lacking an illicium and esca (the "fishing rod" and "lure"), and in having large teeth placed on the outside of its jaws. Description Adult female toothed seadevils have slender, elongate bodies up to 11 centimetres (4.3 in) long. They are dark red-brown to black in color, with naked skin. The mouth is large and extends well past the small eye; the jaws have an inner row of short, straight, widely spaced, immobile teeth. On the outside of the jaws, there are prominent conical outgrowths that bear 2-3 straight teeth, the longest of which reach almost 15% the length of the entire body. Each of these teeth is hinged at the base, with well-developed musculature and a tiny hook at the end. The illicium, or lure, is absent, along with the trough in which it rests in other deep...