Sebastolobus alascanus Bean, 1890 .

Shortspine Thornyhead. To 88.7 cm (34.9 in) TL (DFO). Northern Honshu Island, Japan (Tsuruoka et al. 2010) and Seas of Okhotsk and Japan to Pacific Ocean and Bering Sea off Kamchatka (Tokranov and Novikov 1997) to Navarin Canyon and Aleutian Islands (Mecklenburg et al. 2002) to Pacific off Boca de Santo Domingo (25°32’N, 113°04’W), southern Baja California (Snytko 1987); Costa Rica (Robertson et al. 2017). Benthic; depth: 17–1,524 m (56–5,000 ft) (min.: Sheiko and Fedorov 2000; max.: Eschmeyer and Herald 1983).