arabica, Chaetodon trifasciatus var. Steindachner [F.] 1899:162 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 36 (no. 12) (for 4 May 1899); ref. 21723] Makalla, southeastern Arabia. Syntypes: ?NMW 70996 (3), 71100 (3). Objectively invalid; preoccupied by Chaetodon mesoleucas arabicus Walbaum 1792. •Synonym of Chaetodon melapterus Guichenot 1863 -- (Burgess 1978:487 [ref. 700], Allen 1980:160 [ref. 22764], Heemstra & Heemstra 2022:457 [ref. 39746]). 1°Homonym. Current status: Synonym of Chaetodon melapterus Guichenot 1863. Chaetodontidae: Chaetodontinae. Habitat: marine.