Mirognathus is a monospecific genus of deepwater maine ray-finned fish belonging to the family Alepocephalidae, the slickheads. The only species in the genus is Mirognathus normani, the beaked slickhead or Norman's smooth-head, which is found in the north-east and western Atlantic Ocean, the western Indian Ocean and the western Pacific Ocean. This species grows to a standard length of 20cm (10inches).[1]