tonganus, Naseus Valenciennes [A.] (ex Quoy & Gaimard) in Cuvier & Valenciennes 1835:292 [Histoire naturelle des poissons v. 10; ref. 1004] Tongatapu, Tonga Islands, South Pacific. Holotype (unique): MNHN A-7491. Type catalog: Bauchot & Randall 1996:62 [ref. 22195]. •Synonym of Naso tuberosus Lacepède 1801 -- (Bauchot & Randall 1996:62 [ref. 22195]). •Valid as Naso tonganus (Valenciennes 1835) -- (Kuiter & Debelius 2001:120 [ref. 26232], Johnson 2002:306 [ref. 26390], Allen & Adrim 2003:63 [ref. 26830], Randall et al. 2004:30 [ref. 27624], Randall 2005:595 [ref. 28239], Allen et al. 2006:1742 [ref. 29094], Ho et al. 2011:210 [ref. 31484], Allen & Erdmann 2012:1034 [ref. 31980], Fricke et al. 2019:305 [ref. 36673], Rajan et al. 2021:10 [ref. 39508], Randall 2022:239 [ref. 40150]). Current status: Valid as Naso tonganus (Valenciennes 1835). Acanthuridae. Distribution: Indo-West Pacific: South Africa, East Africa, Seychelles and Saya de Malha Bank east to Micronesia and Samoa, north to Ryukyu Islands (Japan), south to northern Australia. Habitat: marine.