ophis, Muraena Rüppell [W. P. E. S.] 1830:116, Pl. 29 (fig. 2) [Atlas zu der Reise im nördlichen Africa. Fische des Rothen Meeres; ref. 3843] Red Sea. Holotype (unique): SMF 19. Type catalog: Böhlke & Smith 2002:134 [ref. 26380]. Objectively invalid; preoccupied by Muraena ophis Linnaeus 1758. •Synonym of Echidna nebulosa (Ahl 1789) -- (Randall & Golani 1995:851 [ref. 21744], Böhlke & Randall 2000:217 [ref. 24493], Böhlke & Smith 2002:134 [ref. 26380], Smith 2012:6 [ref. 32155], Smith et al. 2019:9 [ref. 37159], Smith & Böhlke 2022:40 [ref. 39681]). 1°Homonym. Current status: Synonym of Echidna nebulosa (Ahl 1789). Muraenidae: Muraeninae. Habitat: marine.