Myoxocephalus polyacanthocephalus (Pallas, 1814) .

Great Sculpin. To 91.5 cm (36 cm) TL (Datsky 2017). Seas of Japan and Okhotsk to Kamchatka to Commander–Aleutian Chain to northern Chukchi Sea (70°20’N, 163°06’W) (Mecklenburg et al. 2018) to Puget Sound, Washington (Eschmeyer and Herald 1983); northern California (43°05’N) (NWFSC-FRAM). Benthic; depth: intertidal to 825 m (2,707 ft) (min.: Eschmeyer and Herald 1983; max.: Kim 2001). Myoxocephalus ensiger Jordan & Starks, 1904, classified as either a subspecies or junior synonym, may be a valid species (Mecklenburg et al. 2007).