monochrous, Muraena Bleeker [P.] 1856:384 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 10; ref. 16853] Ternate, Molucca Islands, Indonesia. Holotype (unique): BMNH 1867.11.28.244. Type catalog: Böhlke & Smith 2002:128-129 [ref. 26380]. •Valid as Gymnothorax monochrous (Bleeker 1856) -- (Castle & McCosker 1986:171 [ref. 5645], Paxton et al. 1989:130 [ref. 12442], Hatooka in Masuda et al. 1984:23 [ref. 6441], Goren & Dor 1994:7 [ref. 25356], Myers 1999:48 [ref. 23965], Böhlke et al. 1999:1656 [ref. 24692], Böhlke 2000:396 [ref. 24954], Nakabo 2000:206 [ref. 25086], Böhlke & McCosker 2001:73 [ref. 25226], Hutchins 2001:17 [ref. 25847] [but later deleted in author's circular of Jan. 2002], Nakabo 2002:206 [ref. 26001], Böhlke & Smith 2002:129 [ref. 26380], Allen & Adrim 2003:23 [ref. 26830], Heemstra et al. 2004:3316 [ref. 27945], Randall 2005:44 [ref. 28239], Allen et al. 2006:253 [ref. 29005], Golani & Bogorodsky 2010:59 [ref. 35264], Fricke et al. 2011:350 [ref. 31242], Allen & Erdmann 2012:89 [ref. 31980], Smith 2012:21 [ref. 32155], Fricke et al. 2014:19 [ref. 33932], Fricke et al. 2018:38 [ref. 35805], Ramos-Castro et al. 2020:83 [ref. 37651], Huang et al. 2022:100 [ref. 39626], Smith & Böhlke 2022:58 [ref. 39681] with question, Allen & Erdmann 2024:98 [ref. 40796]). Current status: Valid as Gymnothorax monochrous (Bleeker 1856). Muraenidae: Muraeninae. Distribution: Indo-West Pacific: East Africa, Madagascar and ?Rodrigues (Mascarenes) east to Indonesia and Papua New Guinea, north to Taiwan, south to Western Australia and New Caledonia. Habitat: marine.