Icelus bicornis (Reinhardt, 1840). Twohorn Sculpin. To 17 cm (6.7 in) TL (Mecklenburg et al. 2016). Circumpolar in Arctic Ocean (Mecklenburg et al. 2011); Beaufort Sea off Alaska (Mecklenburg et al. 2002); not recorded from Chukchi Sea (Mecklenburg et al. 2016). Benthic; depth: 2–930 m (7–3,050 ft) (min.: Andriyashev 1954; max.: Mecklenburg et al. 2018).