cyanocheilus, Ctenochaetus Randall [J. E.] & Clements [K. D.] 2001:9, Pl. 1B, 4 C-F [Indo-Pacific Fishes No. 32; ref. 25453] Lagoon between Enewetak and Parry Islands, Enewetak Atoll, Marshall Islands, depth 6 meters. Holotype: BPBM 7335. Paratypes: AMS I.40282-001 (1); ASIZT 60550 (1); BMNH 2000.6.22.1 (1); BPBM 7371 (2), 8147 (2), 11428 (2), 14563 (1), 16136 (1), 17539 (1), 31482 (2); LACM 54451-1 (1); MNHN 2000-1211 (3); NSMT-P 59706 (1); ROM 56069-70 (1, 2); SAIAB [formerly RUSI] 62190 (1); USNM 162596 (1), 196258 (2), WAM P.27980-019 (1), P.31434-028 (1). Type catalog: Moore et al. 2008:50 [ref. 30117]. •Valid as Ctenochaetus cyanocheilus Randall & Clements 2001 -- (Allen & Adrim 2003:63 [ref. 26830], Myers & Donaldson 2003:647 [ref. 27495], Lobel & Lobel 2004:77 [ref. 27576], Randall et al. 2004:30 [ref. 27624], Adrim et al. 2004:127 [ref. 27715], Randall 2005:584 [ref. 28239], Allen et al. 2006:1738 [ref. 29094], Allen & Erdmann 2012:1027 [ref. 31980], Fricke et al. 2018:354 [ref. 35805], Fricke et al. 2019:302 [ref. 36673], Murase et al. 2023:43 [ref. 40935]). Current status: Valid as Ctenochaetus cyanocheilus Randall & Clements 2001. Acanthuridae. Distribution: Indo-West Pacific: Madagascar; South China Sea east to Samoa, north to southern Japan, south to northern Australia. Habitat: marine.