* Myoxocephalus stelleri Tilesius, 1811 .

Frog Sculpin. To 62 cm (24.4 in) FL (Kulik et al. 2016). Sea of Japan coast of South Korea to Sea of Okhotsk, east coast of Kamchatka, and Commander Islands. A species endemic to the north-western Pacific (Mecklenburg et al. 2015), only unconfirmed records from Arctic and Alaska (Mecklenburg et al. 2011). Benthic; marine, brackish, and fresh waters (Dyldin and Orlov 2017); depth: intertidal to 65 m (213 ft) (min.: Mecklenburg et al. 2002; max.: Panchenko et al. 2016). Off North America, both Myoxocephalus scorpius and M. polyacanthocephalus have been mistaken for this species (Mecklenburg et al. 2015). Various records of this species in U.S. waters (e.g., Personal communication: University of Washington, Burke Museum of Natural History and Culture Fish Collection, Seattle, Washington) are of other species (Katherine Maslenikov).