imperator, Chaetodon Bloch [M. E.] 1787:51, Pl. 194 [Naturgeschichte der ausländischen Fische v. 3; ref. 468] Japan sea. Holotype (unique): ZMB 8570 (right skin). Type catalog: Paepke 1999:118 [ref. 24282]. On p. 38 of Bloch's Ichthyologie, v. 6 [ref. 21381]. •Valid as Pomacanthodes imperator (Bloch 1787) -- (Brock 1948:298 [ref. 41495], Klausewitz 1972:368 [ref. 30491]). •Valid as Pomacanthus imperator (Bloch 1787) -- (Allen 1980:251 [ref. 22764], Dor 1984:170 [ref. 29757], Araga in Masuda et al. 1984:187 [ref. 6441], Smith & Heemstra 1986:626 [ref. 5714], Allen & Swainston 1988:100 [ref. 25477], Winterbottom et al. 1989:44 [ref. 13251], Randall et al. 1990:244 [ref. 15987], Francis 1993:163 [ref. 25479], Goren & Dor 1994:48 [ref. 25356], Randall 1995:255 [ref. 22896], Mohsin & Ambak 1996:412 [ref. 27969], Allen 1997:156 [ref. 23977], Chen et al. 1997:129 [ref. 26476], Kuiter 1997:226 [ref. 25488], Randall et al. 1997:244 [ref. 25919], Myers 1999:172 [ref. 23965], Fricke 1999:349 [ref. 24106], Johnson 1999:740 [ref. 25471], Randall 1999:19 [ref. 25829], Allen 2000:90 [ref. 37268], Pyle in Randall & Lim 2000:624 [ref. 25122], Nakabo 2000:899 [ref. 25182], Laboute & Grandperrin 2000:309 [ref. 25191], Allen 2000:107 [ref. 25868], Hutchins 2001:265 [ref. 25841], Hutchins 2001:36 [ref. 25847], Pyle 2001:3285 [ref. 26118], Nakabo 2002:899 [ref. 26193], Allen & Adrim 2003:43 [ref. 26830], Manilo & Bogorodsky 2003:S112 [ref. 27377], Myers & Donaldson 2003:631 [ref. 27495], Randall et al. 2004:19 [ref. 27624], Heemstra et al. 2004:3322 [ref. 27945], Heemstra & Heemstra 2004:281 [ref. 28072], Randall 2005:341 [ref. 28239], Mundy 2005:407 [ref. 28379], Allen et al. 2006:1308 [ref. 29090], Randall 2007:297 [ref. 30952], Fricke et al. 2009:75 [ref. 30213], Satapoomin 2009:194 [ref. 30463], Motomura et al. 2010:141 [ref. 31256], Caratini & Soriano 2011:71 [ref. 39915], Allen & Erdmann 2012:558 [ref. 31980], Fricke et al. 2013:263 [ref. 32706], Fricke et al. 2014:106 [ref. 33932], Koeda et al. 2016:60 [ref. 35333], Koeda et al. 2016:9 [ref. 35354], Motomura et al. 2017:170 [ref. 35490], Ali et al. 2018:335 [ref. 36183], Bogorodsky & Randall 2018:[21] 259 [ref. 36492], Fricke et al. 2018:242 [ref. 35805], Golani & Fricke 2018:111 [ref. 36273], Dalleau-Coudert et al. 2019:159 [ref. 40104], Eagderi et al. 2019:94 [ref. 37020], Fricke et al. 2019:198 [ref. 36673], Othman & Stern in Stern et al. 2019:446 [ref. 36863], Zajonz et al. 2019:84 [ref. 36871], Habib & Islam 2020:Supplementary table p. 23 [ref. 38321], Psomadakis et al. 2020:514 [ref. 37272], Durville et al. 2021:313 [ref. 38802], Golani 2021:63 [ref. 38303], Kovačić et al. 2021:61 [ref. 39014], Ali et al. 2022:68 [ref. 39931], Furuhashi & Motomura 2022:13 [ref. 39607], Gloerfelt-Tarp & Kailola 2022:233 [ref. 41223], Heemstra 2022:440 [ref. 39850], Badreddine et al. 2023:1 [ref. 40144], Allen & Erdmann 2024:592 [ref. 40796], Fricke et al. 2024:82 [ref. 41255], Ishikuro & Misawa 2024:34 [ref. 41269]). Current status: Valid as Pomacanthus imperator (Bloch 1787). Pomacanthidae. Distribution: Red Sea; Indo-West Pacific: Eastern Cape and KwaZulu-Natal (South Africa), East Africa, Persian Gulf, Socotra (Yemen), Seychelles, Comoros, Madagascar and Mascarenes (La Réunion, Mauritius, Rodrigues) east to Hawaiian Islands (U. S. A.) and Pitcairn Group, north to Aomori Prefecture (northern Japan) and Ogasawara Islands (Japan), south to Western Australia, Lord Howe Island (Australia), New Caledonia, Tonga and Austral Islands (French Polynesia); eastern Mediterranean Sea (Red Sea immigrant). Habitat: marine.