Microstomus bathybius (Gilbert, 1890) .

Deepsea Sole. To 55.2 cm (21.7 in) TL (DFO). Hokkaido, Japan (Sakamoto in Masuda et al. 1984), to Bering Sea, and Aleutian Islands (Mecklenburg et al. 2002), to southern California (32°38’N, 119°24’W) (Personal communication: Los Angeles County Museum of Natural History Fish Collection, Los Angeles, California). Benthic; depth: 41–1,743 m (134–5,717 ft) (min.: Orlov and Tokranov 2019; max.: DFO). Individuals taken at the shallower depths typically are juveniles. Formerly Embassichthys bathybius (Gilbert, 1890) .