pleuron, Apogon Fraser [T. H.] 2005:6, Figs. 1-2 [Zootaxa No. 924; ref. 28138] Tanguinqui Island, Visayan Sea, Philippines, 11°28'42"N, 123°45'45"E, depth 69 meters. Holotype: USNM 357488. Paratypes: AMS I.16749-011 (3); ASIZP 60404 (1); CAS 85962 (2); ROM 73645 (1); USNM 268253 (1), 332331 (1), 349175 (2).357487 (6). Plus non-type material. Type catalog: Ho & Shao 2011:44 [ref. 31432]. •Valid as Apogon pleuron Fraser 2005 -- (Ho & Shao 2011:44 [ref. 31432], Yoshida et al. 2013:107 [ref. 34464]). •Valid as Ostorhinchus pleuron (Fraser 2005) -- (Allen & Erdmann 2012:402 [ref. 31980], Fricke et al. 2014:76 [ref. 33932], Mabuchi et al. 2014:200 [ref. 33426], Matsunuma in Kimura et al. 2015:40 [ref. 34319], Motomura et al. 2017:100 [ref. 35490], Matsunuma in Kimura et al. 2018:117 [ref. 36460], Psomadakis et al. 2020:409 [ref. 37272], Fraser et al. 2022:201 [ref. 39752], Vilasri et al. 2023:80 [ref. 40764]). Current status: Valid as Ostorhinchus pleuron (Fraser 2005). Apogonidae: Apogoninae. Distribution: Indo-West Pacific: southern India, Myanmar, Malaysia and Indonesia east to Philippines and Papua New Guinea, north to northern Vietnam Habitat: marine.