melanurum, Gnathophis Huang [J.-F.], Liao [Y.-C.], Chen [H.-M.] & Chan [T.-Y.] in Huang, Liao, Chan, Chen & Smith 2026:28, Figs. 4, 6D, 7A [ZooKeys No. 1287; ref. 43328] Off Daxi, Yilan, northeastern Taiwan, bottom trawl, circa 300 meters. Holotype: TOU-AE 8777. Paratypes: (46) NMMB, TOU-AE. Plus additional non-type material. •Valid as Gnathophis melanurum Huang, Liao, Chen & Chan 2026. Current status: Valid as Gnathophis melanurum Huang, Liao, Chen & Chan 2026. Congridae: Congrinae. Distribution: Western Pacific: northeastern and southwestern Taiwan. Habitat: marine.