Myoxocephalus is a genus of fish in the sculpin family Cottidae. Most species live in marine waters, but there are also three freshwater species, including two that occupy northern lakes (Myoxocephalus quadricornis and M. thompsonii). The name is derived from Greek myos (muscle) and kephale (head). There are currently 16 recognized species in this genus: Myoxocephalus aenaeus (Mitchill, 1814) (Grubby) Myoxocephalus brandtii (Steindachner, 1867) Myoxocephalus jaok (G. Cuvier, 1829) (Plain sculpin) Myoxocephalus matsubarai (Watanabe, 1958) Myoxocephalus niger (T. H. Bean, 1881) (Warthead sculpin) Myoxocephalus ochotensis (P. J. Schmidt, 1929) Myoxocephalus octodecemspinosus (Mitchill, 1815) (Longhorn sculpin) Myoxocephalus polyacanthocephalus (Pallas, 1814) (Great sculpin) Myoxocephalus quadricornis (Linnaeus, 1758) (Fourhorn sculpin) Myoxocephalus scorpioides (O. Fabricius, 1780) (Arctic sculpin) Myoxocephalus scorpius (Linnaeus, 1758) (Shorthorn sculpin) Myoxocephalus sinensis (Sauvage, 1873) Myoxocephalus stelleri (Tilesius, 1811) (Stellers sculpin) Myoxocephalus thompsonii (Girard, 1851) (Deepwater sculpin) Myoxocephalus tuberculatus (Soldatov & Pavlenko, 1922) Myoxocephalus verrucosus (T. H. Bean, 1881) (Warty sculpin)
