muscatensis, Opisthognathus Boulenger [G. A.] 1888:662, Pl. 54 (fig. 1) [Proceedings of the Zoological Society of London 1887 (pt 4); ref. 14479] Muscat, Oman, Gulf of Oman, Arabian Sea, northwestern Indian Ocean. Syntypes: BMNH 1887.11.11.227-229 (3). Correct spelling of original genus is Opistognathus. •Valid as Opistognathus muscatensis Boulenger 1888 -- (Smith-Vaniz 1986:727 [ref. 5718], Goren & Dor 1994:57 [ref. 25356], Randall 1995:302 [ref. 22896], Carpenter et al. 1997:206 [ref. 23922], Manilo & Bogorodsky 2003:S105 [ref. 27377], Heemstra & Heemstra 2004:376 [ref. 28072], Smith-Vaniz 2009:82 [ref. 30149], Smith-Vaniz 2010:39, 41 [ref. 30922], Smith-Vaniz et al. 2012:24 [ref. 32262], Hussain & Jawad 2014:254 [ref. 33657], Ali et al. 2018:319 [ref. 36183], Jawad et al. 2018:105 [ref. 36262], Eagderi et al. 2019:92 [ref. 37020], Zajonz et al. 2019:73 [ref. 36871], Smith-Vaniz 2022:312 [ref. 39947], Zajonz et al. 2022:95 [ref. 40522], Smith-Vaniz 2023:77 [ref. 40049]). Current status: Valid as Opistognathus muscatensis Boulenger 1888. Opistognathidae. Distribution: Western Indian Ocean: KwaZulu-Natal (South Africa), East Africa (Mozambique, Tanzania, Kenya) and Persian Gulf to Socotra (Yemen), Seychelles and Mascarenes (Mauritius). Habitat: marine.