unicolor, Muraenophis Delaroche [F. E.] 1809:359 [73], Pl. 25 (fig. 15) [Annales du Muséum d'Histoire Naturelle, Paris v. 13; ref. 17380] [Iviça] Ibiza, Baleares Islands, Spain, western Mediterranean Sea. Holotype: MNHN B-2413. Type catalog: Bauchot et al. 1993:101 [ref. 20810]. On p. 73 and Pl. 6 of separate. •Valid as Gymnothorax unicolor (Delaroche 1809) -- (Bauchot in Whitehead et al. 1986:541 [ref. 13676], Edwards & Glass 1987:625 [ref. 9166], Böhlke et al. 1989:149 [ref. 13286], Smith & Böhlke 1990:143 [ref. 19379], Santos et al. 1997:19 [ref. 23531], Arruda 1997:55 [ref. 24952], Bilecenoğlu et al. 2002:31 [ref. 26753], Golani 2005:16 [ref. 37112], Jiménez et al. 2007:103 [ref. 29038], Fricke et al. 2007:23 [ref. 29533], Lipej & Dulčić 2010:17 [ref. 36649], Smith 2012:29 [ref. 32155], Stern & Goren 2013:197 [ref. 32673], Wirtz et al. 2013:118 [ref. 32972], Wirtz et al. 2014:3 [ref. 33516], Smith & Brito 2016:1631 [ref. 34557], Brown et al. 2019:156 [ref. 36444], Carneiro et al. 2019:61 [ref. 37250], Elbaraasi et al. 2019:92 [ref. 36864], Reiner 2019:61 [ref. 38139], Bariche & Fricke 2020:33 [ref. 37515], Kovačić et al. 2020:48 [ref. 37519], Betti et al. in Tsagarakis et al. 2021:633 [ref. 38798] as Gymnothorax cf. unicolor, Iglésias et al. 2021:170 [ref. 38818], Golani 2021:13 [ref. 38303], Kovačić et al. 2021:20 [ref. 39014], Ergüden et al. 2023:37 [ref. 40489], Spinelli & Vitale in Grech et al. 2023:402 [ref. 40778]). Current status: Valid as Gymnothorax unicolor (Delaroche 1809). Muraenidae: Muraeninae. Distribution: Mediterranean Sea; eastern Atlantic: Portugal to Azores, Madeira, Canary Islands and São Tomé and Principe; southern-central Atlantic: Saint Helena. Habitat: marine.