Snout long and pointed, its anterolateral margin completely supported by bone; the dorsal surface of the snout completely scaled. Head ridges strong, spiny, supraoccipital and post-temporal ridges developed; the underside of the head, including the mandibular rami, covered with scales having a single spinous ridge. Light organ barely visible externally as a black crescent before the anus. Overall color is brownish to grayish; the fins are dusky to black; the mouth bluish-gray; the gill cavity blackish.