modestus, Chaetodon Temminck [C. J.] & Schlegel [H.] 1844:80, Pl. 41 (fig. 2) [Fauna Japonica Parts 5-6; ref. 4372] Nagasaki, Japan. Lectotype: RMNH D466 (stuffed). Paralectotypes: RMNH D464-465 (2, stuffed), D467 (1, stuffed), 1138 (2); ZMB 1271 (2). Type catalog: Paepke 2001:329 [ref. 25566]. Lectotype selected by Boeseman 1947:82 [ref. 12876]. The genus Roa is apparently feminine; 'modestus' is a Latin adjective (moderate). •Valid as Chaetodon modestus Temminck & Schlegel 1844 -- (Burgess 1978:351 [ref. 700], Allen 1980:162 [ref. 22764], Yamakawa & Tameka in Okamura et al. 1982:249 [ref. 8256], Ida in Masuda et al. 1984:185 [ref. 6441], Matsuura in Okamura et al. 1985:519, 693 [ref. 8056], Randall 1995:249 [ref. 22896], Chen et al. 1997:122 [ref. 26476], Cheng & Zhou 1997:317 [ref. 26385], Sokolovskaya et al. 1998:12 [ref. 24670], Pyle in Randall & Lim 2000:623 [ref. 25122], Nakabo 2000:891 [ref. 25182], Sadovy & Cornish 2000:167 [ref. 25480], Hutchins 2001:36 [ref. 25847], Nakabo 2002:891 [ref. 26193], Choi et al. 2003:352, 624 [ref. 26218], Parin 2003:S15 [ref. 28536], Randall 2007:291 [ref. 30952], Zuo & Tang 2011:1003 [ref. 32151], Allen & Erdmann 2012:527 [ref. 31980], Parin et al. 2014:376 [ref. 33547]). •Valid as Roa modestus (Temminck & Schlegel 1844) -- (Blum 1989:13 [ref. 37553], Pyle in Randall & Lim 2000:624 [ref. 25122] dated to 1842, Pyle 2001:3233 [ref. 26117] dated to 1842, Smith et al. 2003:302 [ref. 27125]). •Valid as Roa modesta (Temminck & Schlegel 1844) -- (Kuiter 2004:167 [ref. 27778], Rocha et al. 2017:130 [ref. 35651], Nakae in Kimura et al. 2018:210 [ref. 36460], Kim et al. 2020:141 [ref. 39118], Sonoyama et al. 2020:79 [ref. 37637], Uejo et al. 2020:[7] [ref. 37307], Matsunuma & Motomura 2022:3 [ref. 38992], Allen & Erdmann 2024:576 [ref. 40796]). Current status: Valid as Roa modesta (Temminck & Schlegel 1844). Chaetodontidae. Distribution: Western Pacific: Vietnam east to Philippines, north to Korea, Japan and Ogasawara Islands. Habitat: marine.