Anisarchus medius (Reinhardt, 1837).
Stout Eelblenny. Variously reported to 20 cm (7.9 in) TL (Wienerroither et al. 2011), 28.6 cm (11.3 in) (Mecklenburg et al. 2018), and 30 cm (11.8 in) TL (Coad in Coad and Reist 2018). Circumpolar in Arctic Ocean (Coad in Coad and Reist 2018) and southward to Sea of Okhotsk off Hokkaido, Japan (Yamanaka and Yabe 2012) to south-eastern Alaska at Auke Bay (Mecklenburg and Sheiko 2004), and Coco Harbor (55°03’N, 133°02’W) (Personal communication: University of Alaska Fairbanks Fish Collection, Fairbanks, Alaska). Benthic; depth: intertidal to 300 m (984 ft) (min.: Mecklenburg et al. 2018; max.: Federov et al. 2003). Classified by some authors in Lumpenus. Date of the original species description is 1837, although previously given as 1836 (Mecklenburg and Sheiko 2004).