Cottus aleuticus Gilbert, 1896 .

Coastrange Sculpin. To 17.2 cm (6.8 in) TL (Hubbs 1921). Kobuk River (drains to Kotzebue Sound, eastern Chukchi Sea) (Morrow 1980); Bristol Bay, Alaska Peninsula, and Aleutian Islands drainages (Mecklenburg et al. 2002) to Oso Flaco Creek, Santa Barbara County, central California (Swift et al. 1993). Brackish and fresh waters (Wydoski and Whitney 1979) and nearshore coastal marine waters (Pietsch and Orr 2019); migrates downstream to estuaries and lower reaches of rivers in spring to spawn (Morrow 1980).