caesius, Naso Randall [J. E.] & Bell [L. J.] 1992:347, Pl. 1 A-B, Figs. 1-2 [Pacific Science v. 46 (no. 3); ref. 20252] Northern side of East Channel, Eniwetak [Enewetak] Atoll, Marshall Islands, western Pacific, depth 3-5 meters. Holotype: BPBM 29160. Paratypes: AMS I.31491-001 (1); BMNH 1991.5.20.1 (1); BPBM 4337 (1), 34528-31 (1, 1, 1, 1), 30610 (2), 34756 (1); CAS 76030 (1); USNM 140088 (1). Additional material at BPBM. •Valid as Naso caesius Randall & Bell 1992 -- (Randall et al. 1997:431 [ref. 25919], Borden 1998:105 [ref. 23309], Myers 1999:274 [ref. 23965], Randall 1999:28 [ref. 25829], Laboute & Grandperrin 2000:433 [ref. 25191], Kuiter & Debelius 2001:127 [ref. 26232], Randall 2001:173 [ref. 25459], Randall 2001:3665 [ref. 26301], Myers & Donaldson 2003:647 [ref. 27495], Lobel & Lobel 2004:77 [ref. 27576], Randall et al. 2004:30 [ref. 27624], Randall 2005:592 [ref. 28239], Mundy 2005:493 [ref. 28379], Allen et al. 2006:1740 [ref. 29094], Randall 2007:435 [ref. 30952], Ho et al. 2011:205 [ref. 31484], Allen & Erdmann 2012:1030 [ref. 31980], Sasaki et al. 2020:195 [ref. 38084]). Current status: Valid as Naso caesius Randall & Bell 1992. Acanthuridae. Distribution: Western Pacific, antiequatorial: Micronesia and Marshall Islands north to Okinawa (Japan), east to Hawaiian Islands; Queensland (Australia) and New Caledonia east to Tonga, Society Islands and Pitcairn Group. Habitat: marine.