Alepocephalus tenebrosus Gilbert, 1892 .

California Slickhead. To 61 cm (24 in) TL (Fitch and Lavenberg 1968). Eastern Gulf of Alaska (59°33’N, 144°15’W) (Maslenikov et al. 2013) to southern Baja California (23°12.6’N) (Cruz-Acevedo et al. 2018); central America (Robertson et al. 2017); Chile (Ambrose in Moser 1996). Reports from eastern Bering Sea not verifiable (Mecklenburg et al. 2002). Benthopelagic; depth: 115–2,287 m (377– 7,501 ft) (min.: Morera et al. 20019; max.: Personal communication: Los Angeles County Museum of Natural History Fish Collection, Los Angeles, California). Mecklenburg et al. (2002) note that the depth range of 46– 5,486 m (150–18,000 ft) given by Fitch and Lavenberg (1968) may apply to the family as a whole and not necessarily to A. tenebrosus .