Species that contain: Acanthurus and gahhm [ 3 ] records

gahm, Chaetodon Gmelin [J. F.] 1789:1268 [Caroli a Linné ... Systema Naturae per regna tria naturae v. 1 (pt 3); ref. 18139] No locality stated (Red Sea). No types known. Authorship according to Fricke 2008:55 [ref. 30182]. Based on unnamed variation (Arabic name Gahhm) of Chaetodon nigrofuscus Forsskål in Niebuhr, 1775 of Forsskål in Niebuhr, 1775:64, xiii [ref. 1351] (see Fricke 2008:55 [ref. 30182]); made available as Chaetodon gahm by Gmelin 1789:1268 [ref. 18139]. Spelled gahm by many early authors; spelling gahhm is here retained due to prevailing usage. •Synonym of Acanthurus nigricans (Linnaeus 1758) -- (Dor 1984:254 [ref. 29757]). •Valid as Acanthurus gahhm (Forsskål 1775) -- (Randall 1956:207 [ref. 12221], Kishimoto in Masuda et al. 1984:232 [ref. 6441], Randall 1988:56 [ref. 14257], Goren & Dor 1994:68 [ref. 25356], Myers 1999:270 [ref. 23965], Kuiter & Debelius 2001:45 [ref. 26232], Manilo & Bogorodsky 2003:S120 [ref. 27377], Randall 2005:579 [ref. 28239], DiBattista et al. 2015:22 [ref. 35706], Carpenter et al. 2017:41 [ref. 35143], Bogorodsky & Randall 2018:[17] 255 [ref. 36492], Golani & Fricke 2018:166 [ref. 36273], Zajonz et al. 2019:98 [ref. 36871]). •Valid as Acanthurus gahhm (Gmelin 1789) -- (Fricke 2008:55 [ref. 30182], Randall 2022:223 [ref. 40150]). Current status: Valid as Acanthurus gahhm (Gmelin 1789). Acanthuridae. Distribution: Red Sea; northwestern Indian Ocean: Gulf of Aden, Socotra (Yemen). Habitat: marine.

gahmoides, Acanthurus Guichenot [A.] 1863:C-8 [Faune ichthyologique 2nd Partie, Annexe C.; ref. 1943] Réunion, western Mascarenes, southwestern Indian Ocean. Holotype (unique): MNHN 0000-1315. Type catalog: Bauchot & Randall 1996:57 [ref. 22195]. •Questionably a synonym of Acanthurus gahhm (Forsskål 1775) -- (Randall 1956:206 [ref. 12221]). •Synonym of Acanthurus xanthopterus Valenciennes 1835 -- (Fricke 1999:543 [ref. 24106], Randall 2022:230 [ref. 40150]). Current status: Synonym of Acanthurus xanthopterus Valenciennes 1835. Acanthuridae. Habitat: marine.

nigricauda, Acanthurus gahm var. Duncker [G.] & Mohr [E.] 1929:75 [Mitteilungen aus dem Zoologischen Staatsinstitut und Zoologischen Museum in Hamburg. v. 44; ref. 15892] Massau Island, St. Matthias Islands, northeast of New Ireland Island, Bismarck Archipelago. Lectotype: ZMH H149 [ex 11759, 1 of 2]. Paralectotypes: ZMH H150 [ex 11759] (1); ZMH 11760 (1) and 11761 (1) ? = ZMH 8229 (1) and 8230 (1). Type catalog: Wilkens & Dohse 1993:407 [ref. 21161] as syntypes. Lectotype selected by Ladiges et al. 1958:166 [ref. 19181] as ZMH 144 [sic 149]. •Synonym of Acanthurus gahhm (Forsskål 1775) -- (Randall 1956:207 [ref. 12221]). •Valid as Acanthurus nigricaudus Duncker & Mohr 1929 -- (Nakabo 2000:1329 [ref. 25182], Allen 2000:123 [ref. 25868], Hutchins 2001:270 [ref. 25841], Kuiter & Debelius 2001:46 [ref. 26232], Nakabo 2002:1329 [ref. 26193], Allen & Adrim 2003:62 [ref. 26830], Matsuura et al. in Kimura & Matsuura 2003:203 [ref. 27510], Motomura et al. 2017:205 [ref. 35490]). •Valid as Acanthurus nigricauda Duncker & Mohr 1929 -- (Randall 1986:814 [ref. 5706], Randall 1988:56 [ref. 14257], Winterbottom et al. 1989:63 [ref. 13251], Randall et al. 1990:423 [ref. 15987], Mohsin & Ambak 1996:555 [ref. 27969], Allen 1997:228 [ref. 23977], Kuiter 1997:366 [ref. 25488], Randall et al. 1997:423 [ref. 25919], Myers 1999:270 [ref. 23965], Fricke 1999:535 [ref. 24106], Allen 2000:93 [ref. 37268], Randall in Randall & Lim 2000:642 [ref. 25122], Laboute & Grandperrin 2000:427 [ref. 25191], Randall et al. 2001:115 [ref. 25316], Hutchins 2001:45 [ref. 25847], Randall 2001:3670 [ref. 26301], Myers & Donaldson 2003:647 [ref. 27495] with first author as Dunker, Lobel & Lobel 2004:76 [ref. 27576] with first author as Dunker, Randall et al. 2004:29 [ref. 27624], Heemstra et al. 2004:3330 [ref. 27945], Randall 2005:579 [ref. 28239], Mundy 2005:488 [ref. 28379], Allen et al. 2006:1736 [ref. 29094], Fricke et al. 2009:107 [ref. 30213], Motomura et al. 2010:226 [ref. 31256], Allen & Erdmann 2012:1023 [ref. 31980], Fricke et al. 2013:271 [ref. 32706], Fricke et al. 2014:182 [ref. 33932], Koeda et al. 2016:101 [ref. 35333], Carpenter et al. 2017:42 [ref. 35143], Fricke et al. 2018:352 [ref. 35805], Dalleau-Coudert et al. 2019:144 [ref. 40104], Fricke et al. 2019:300 [ref. 36673], Zajonz et al. 2019:98 [ref. 36871], Kim et al. 2020:177 [ref. 39118], Psomadakis et al. 2020:559 [ref. 37272], Durville et al. 2021:314 [ref. 38802], Randall 2022:226 [ref. 40150], Noushad K. et al. 2024:46 [ref. 40947]). Current status: Valid as Acanthurus nigricauda Duncker & Mohr 1929. Acanthuridae. Distribution: Indo-West Pacific: KwaZulu-Natal (South Africa), East Africa, Socotra (Yemen), Seychelles, Comoros, Madagascar and Mascarenes (La Réunion, Mauritius, Rodrigues) east to Tuamotu Archipelago (French Polynesia), north to southern Korea and southern Japan, south to Queensland (Australia) and New Caledonia. Habitat: marine.