Hexagrammos octogrammus (Pallas, 1814) .

Masked Greenling. To 31.8 cm (12.5 in) FL (Abookire and Rose 2005). Miscalled Pleurogrammus azonus in the English translation of Vdovin and Antonenko (1998). Seas of Okhotsk and Japan, to Commander–Aleutian Chain, and Saint Lawrence Island, northern Bering Sea (Mecklenburg et al. 2002), to Banks Island, northern British Columbia (Peden and Wilson 1976). Benthic; marine, brackish, and fresh waters (Dyldin and Orlov 2017); depth: 0–200 m (656 ft) (Federov et al. 2003).