decorus, Opistognathus Smith-Vaniz [W. F.] & Yoshino [T.] 1985:19, Figs. 1, 2a, 3a [Japanese Journal of Ichthyology v. 32 (no. 1); ref. 6721] Naha fish market, Okinawa Island, Ryukyu Islands, Japan. Holotype: ANSP 15186. Paratypes: FAKU 48887-89 (3); NSMT-P 23161 (1); URM-P 3319 (1), 8133 (1). •Valid as Opistognathus decorus Smith-Vaniz & Yoshino 1985 -- (Smith-Vaniz 1999:2589 [ref. 24833], Nakabo 2000:742 [ref. 25086], Nakabo 2002:742 [ref. 26001], Allen & Adrim 2003:34 [ref. 26830], Hiramatsu & Endo 2013:19 [ref. 32573], Shinohara 2021:165 [ref. 38285], Smith-Vaniz 2023:49 [ref. 40049]). Current status: Valid as Opistognathus decorus Smith-Vaniz & Yoshino 1985. Opistognathidae. Distribution: Northwestern Pacific: Okinawa Island, Japan and Sulawesi, Indonesia. Habitat: marine.