Hemilepidotus papilio (Bean, 1880) .

Butterfly Sculpin. To 45 cm (17.7 in) FL (Kulik et al. 2016). Sea of Okhotsk, and Kuril Islands, and south-eastern Kamchatka to Chukchi Sea as far north as 72°29’N, 158°26’W (misprinted as 158°60’W in Mecklenburg et al. 2016), eastern Bering Sea, and Aleutian Islands west to Buldir Island (Mecklenburg et al. 2016). Benthic; marine and brackish waters (Dyldin and Orlov 2017); depth: intertidal to 320 m (1,050 ft) (min.: Bean 1880; max.: Mecklenburg et al. 2002), typically at less than 150 m (Allen and Smith 1988). Originally named Melletes papilio, a name that is still occasionally seen in the literature.