interruptus, Chaetodon unimaculatus Ahl [E.] 1923:142, Pl. 2 (fig. 9) [Archiv für Naturgeschichte Berlin (N.F.) v. 89 Abt. A, Heft 5; ref. 5113] Mauritius, Mascarenes, southwestern Indian Ocean. Possible types: ZMB 9526 (1). Types mentioned: Paepke 1995:97 [ref. 21847]. •Synonym of Chaetodon unimaculatus Bloch 1787 -- (Burgess 1978:637 [ref. 700], Allen 1980:160 [ref. 22764]). •Synonym of Chaetodon unimaculatus Bloch 1787, but a valid subspecies as described -- (Winterbottom et al. 1989:43 [ref. 13251], Fricke 1999:337-338 [ref. 24106]). •Valid as Chaetodon interruptus Ahl 1923 -- (Allen & Adrim 2003:42 [ref. 26830], Smith et al. 2003:304 [ref. 27125], Manilo & Bogorodsky 2003:S111 [ref. 27377], Heemstra et al. 2004:3323 [ref. 27945], Heemstra & Heemstra 2004:288 [ref. 28072], Randall 2005:322 [ref. 28239], Fricke et al. 2009:72 [ref. 30213], Satapoomin 2009:185 [ref. 30463], Allen & Erdmann 2012:523 [ref. 31980], Fricke et al. 2013:262 [ref. 32706], Fricke et al. 2018:235 [ref. 35805], Dalleau-Coudert et al. 2019:156 [ref. 40104], Zajonz et al. 2019:83 [ref. 36871], Heemstra & Heemstra 2022:453 [ref. 39746], Allen & Erdmann 2024:557 [ref. 40796]). Current status: Valid as Chaetodon interruptus Ahl 1923. Chaetodontidae: Chaetodontinae. Distribution: Indian Ocean: Eastern Cape and KwaZulu-Natal (South Africa), East Africa, Socotra (Yemen), Seychelles, Comoros, Madagascar and Mascarenes (La Réunion, Mauritius, Rodrigues) east to western Sumatra (Indonesia). Habitat: marine.