Pleuronectes quadrituberculatus Pallas, 1814 .

Alaska Plaice or Lemon Sole. To 66 cm (26 in) TL (Mecklenburg et al. 2018). Seas of Japan (Lindberg and Fedorov 1993) and Okhotsk, Hokkaido, Kuril Islands and south-eastern Kamchatka (Mecklenburg et al. 2016) to Chukchi Sea, as far northward as 70°16’N, 163°58’W (Mecklenburg et al. 2011) and near Barrow, Alaska (Johnson et al. 2012) to eastern Aleutian Islands and Gulf of Alaska to south-eastern Alaska near Ketchikan (Mecklenburg et al. 2002); one record from Bellingham Bay, Washington (Townsend 1936). Benthic; marine and brackish waters (Dyldin and Orlov 2017); depth: 2–600 m (8–1,968 ft) (min.: Thomas Hurst, pers. comm. to M.L. from sampling reported in Hurst 2016; Federov et al. 2003), except reported to 850 m (2,789 ft) or more in winter in Sea of Okhotsk (Kim et al. 1999). Pleuronectes pallasii Steindachner, 1880, is a junior synonym and the name under which the Washington record was published (Mecklenburg et al. 2002). Hybrids of this species and Platichthys stellatus have been described from Bristol Bay and off Saint Matthew Island, Alaska (Mecklenburg et al. 2018).