The gnomefishes form a small family, Scombropidae, consisting of three extant species of marine fish in the genus Scombrops. They have two dorsal fins and are notable for scales covering the soft parts of the dorsal and anal fins. The eyes are large. The gnomefish, S. boops, lives in deep rocky areas, down to 400 m. It can grow to 150 cm total length and 16 kg weight.