mystacinus, Ophichthus McCosker [J. E.] 1999:579, Figs. 2c, 4 [Mémoires du Muséum National d'Histoire Naturelle, Paris (N. S.) (Série A) Zoologie No. 180; ref. 23699] New Caledonia, 18°58.00'S, 163°10.50'E, depth 580 meters. Holotype: MNHN 1998-0046. Paratypes: BPBM 37308 (1), CAS 89552 (1), MNHN 1998-0047 (1). •Valid as Ophichthus mystacinus McCosker 1999 -- (McCosker 2010:31 [ref. 30840], Fricke et al. 2011:352 [ref. 31342], McCosker 2014:339 [ref. 33288], Hibino et al. 2019:147 [ref. 37155], Ho et al. 2022:318 [ref. 39289]). Current status: Valid as Ophichthus mystacinus McCosker 1999. Ophichthidae: Ophichthinae. Distribution: Western Pacific: New Caledonia, Fiji, Tonga and Philippines. Habitat: marine.