Cottunculus microps Collett, 1875. Polar Sculpin. 33 cm (13.0 in) TL (Wienerroither et al. 2011). Circumpolar; Alaskan Beaufort Sea, Chukchi Borderland (Mecklenburg and Steinke 2015). Benthic; depth: 159–1,476 m (522–4,841 ft) (Mecklenburg et al. 2016). We follow Mecklenburg and Steinke (2015) and consider Cottunculus sadko Essipov, 1937 to be a junior synonym.