Stemonidium hypomelas Gilbert, 1905 .

Black Serrivomerid Eel. To 37.7 cm (14.8 in) TL (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California). Circumglobal; western Pacific Ocean north to Ryukyu and Ogasawara Islands (Hatooka in Nakabo 2002); as far northwards as northern Baja California (30°50’N, 121°48’W) (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California). Depth: 175–2,100 m (574–6,888 ft) (min.: Froese and Pauly 2019 —note that we were unable to verify this record; max.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California).