rectangulus, Balistes Bloch [M. E.] & Schneider [J. G.] (ex Lacepède & Commerson) 1801:465 [M. E. Blochii, Systema Ichthyologiae; ref. 471] Mauritius, Mascarenes, southwestern Indian Ocean. Syntypes: MNHN B-3047 (3, dry). Type catalog: Beaunier et al. 2009:291 [ref. 28887]. Based on the 'Baliste écharpe' of Lacepède 1798:352 [ref. 2708], which was based on a description in manuscript by Commerson [Philibert Commerson, 1727-1773, French explorer and naturalist], with three underlying specimens (MNHN syntypes). •Doubtfully valid as Rhinecanthus rectangulus (Bloch & Schneider 1801) -- (Dor 1984:277 [ref. 29757]). •Synonym of Rhinecanthus echarpe (Anonymous 1798) -- (Parenti 2021:658 [ref. 38921]). •Valid as Rhinecanthus rectangulus (Bloch & Schneider 1801) -- (Matsuura in Masuda et al. 1984:358 [ref. 6441], Smith & Heemstra 1986:880 [ref. 5714], Allen & Swainston 1988:150 [ref. 25477], Matsuura & Shiobara 1989:317 [ref. 13563], Winterbottom et al. 1989:68 [ref. 13251], Randall et al. 1990:456 [ref. 15987], Kuiter 1993:396 [ref. 23929], Francis 1993:168 [ref. 25479], Goren & Dor 1994:73 [ref. 25356], Allen 1997:238 [ref. 23977], Kuiter 1997:386 [ref. 25488], Randall et al. 1997:456 [ref. 25919], Randall & Mundy 1998:331 [ref. 24063], Myers 1999:282 [ref. 23965], Fricke 1999:585 [ref. 24106], Randall 1999:30 [ref. 25829], Allen 2000:94 [ref. 37268], Matsuura in Randall & Lim 2000:647 [ref. 25122], Nakabo 2000:1400 [ref. 25182], Laboute & Grandperrin 2000:457 [ref. 25191], Randall & Earle 2000:22 [ref. 25806], Allen 2000:124 [ref. 25868], Hutchins 2001:47 [ref. 25847], Matsuura 2001:3925 [ref. 26315], Nakabo 2002:1400 [ref. 26193], Allen & Adrim 2003:64 [ref. 26830], Manilo & Bogorodsky 2003:S123 [ref. 27377], Myers & Donaldson 2003:649 [ref. 27495], Lobel & Lobel 2004:77 [ref. 27576], Randall et al. 2004:31 [ref. 27624], Heemstra et al. 2004:3331 [ref. 27945], Heemstra & Heemstra 2004:443 [ref. 28072], Randall 2005:627 [ref. 28239], Mundy 2005:525 [ref. 28379], Allen et al. 2006:1874 [ref. 29098], Randall 2007:472 [ref. 30952], Fricke et al. 2009:117 [ref. 30213], Matsuura 2009:328 [ref. 31171], Golani & Bogorodsky 2010:85 [ref. 35264], Motomura et al. 2010:233 [ref. 31256], Allen & Erdmann 2012:1065 [ref. 31980], Fricke et al. 2013:272 [ref. 32706], Matsuura 2014:7 [ref. 33576], Fricke et al. 2014:193 [ref. 33932], Delrieu-Trottin et al. 2015:8 [ref. 33988], Duffy & Ahyong 2015:119 [ref. 36167], Struthers 2015:1715 [ref. 34302], Koeda et al. 2016:111 [ref. 35333], Koeda et al. 2016:18 [ref. 35354], Fricke et al. 2018:378 [ref. 35805], Fricke et al. 2019:324 [ref. 36673], Psomadakis et al. 2020:609 [ref. 37272], Dewa et al. 2022:30 [ref. 40001], Matsuura 2022:424 [ref. 40250], Noushad K. et al. 2024:46 [ref. 40947]). Current status: Valid as Rhinecanthus rectangulus (Bloch & Schneider 1801). Balistidae. Distribution: Indo-West Pacific: Eastern Cape and KwaZulu-Natal (South Africa), East Africa, Seychelles, Comoros, Madagascar and Mascarenes (La Réunion, Mauritius, Rodrigues) east to Hawaiian Islands (U.S.A.) and Pitcairn Group, north to southern Japan and Ogasawara Islands (Japan), south to Lord Howe Island (Australia) and Kermadec Islands. Habitat: marine.