bicolor, Scarus Rüppell [W. P. E. S.] 1829:82, Pl. 21 (fig. 3) [Atlas zu der Reise im nördlichen Africa. Fische des Rothen Meeres; ref. 3843] Jeddah, Saudi Arabia, Red Sea. Holotype: SMF 2700 (dry). Rüppell specimens: SMF 17526 (1, skeleton). Replaced in Indo-West Pacific by C. ocellatus. •Valid as Bolbometopon bicolor (Rüppell 1829) -- (Kishimoto in Masuda et al. 1984:218 [ref. 6441]). •Valid as Cetoscarus bicolor (Rüppell 1829) -- (Randall & Bruce 1983:6 [ref. 5412], Dor 1984:211 [ref. 29757], Choat & Randall 1986:195 [ref. 8099], Allen & Swainston 1988:122 [ref. 25477], Winterbottom et al. 1989:57 [ref. 13251], Randall et al. 1990:344 [ref. 15987], Bellwood 1994:65 [ref. 19116], Goren & Dor 1994:56 [ref. 25356], Mohsin & Ambak 1996:489 [ref. 27969], Allen 1997:198 [ref. 23977], Chen et al. 1997:139 [ref. 26476], Kuiter 1997:316 [ref. 25488], Randall et al. 1997:344 [ref. 25919], Myers 1999:208 [ref. 23965], Fricke 1999:451 [ref. 24106], Parenti & Randall 2000:52 [ref. 24943], Bellwood in Randall & Lim 2000:630 [ref. 25122], Nakabo 2000:1015 [ref. 25182], Laboute & Grandperrin 2000:376 [ref. 25191], Allen 2000:115 [ref. 25868], Bellwood 2001:3474 [ref. 26278], Hutchins 2001:40 [ref. 25847], Nakabo 2002:1015 [ref. 26193], Kishimoto et al. 2002:4 [ref. 26569], Allen & Adrim 2003:51 [ref. 26830], Manilo & Bogorodsky 2003:S115 [ref. 27377], Shibukawa et al. in Kimura & Matsuura 2003:159 [ref. 27510], Randall et al. 2004:23 [ref. 27624], Adrim et al. 2004:125 [ref. 27715], Liao et al. 2004:529 [ref. 28045], Randall 2005:447 [ref. 28239], Allen et al. 2006:1427 [ref. 29090], Motomura et al. 2010:175 [ref. 31256] not this species, Parenti & Randall 2011:37 [ref. 31299], Koeda et al. 2016:80 [ref. 35333], DiBattista et al. 2015:21 [ref. 35706], Bogorodsky & Randall 2018:[6] 244 [ref. 36492], Golani & Fricke 2018:131 [ref. 36273], Randall 2022:268 [ref. 39936]). Current status: Valid as Cetoscarus bicolor (Rüppell 1829). Labridae. Distribution: Red Sea; northwestern Indian Ocean: Gulf of Aden. Habitat: marine.