nematopterus, Apogon Bleeker [P.] 1856:35 [Acta Societatis Regiae Scientiarum Indo-Neêrlandicae v. 1 (6); ref. 352] Manado, Sulawesi, Indonesia. Syntypes: (3) RMNH 5573 (largest of 2). •Valid as Sphaeramia nematoptera (Bleeker 1856) -- (Hayashi in Masuda et al. 1984:149 [ref. 6441], Paxton et al. 1989:558 [ref. 12442], Randall et al. 1990:153 [ref. 15987], Allen 1993:16 [ref. 20779], Allen 1997:110 [ref. 23977], Kuiter 1997:150 [ref. 25488], Randall et al. 1997:153 [ref. 25919], Myers 1999:133 [ref. 23965], Allen 1999:2610 [ref. 24812], Nakabo 2000:752 [ref. 25086], Allen in Randall & Lim 2000:614 [ref. 25122], Laboute & Grandperrin 2000:219 [ref. 25191], Allen 2000:102 [ref. 25868], Nakabo 2002:752 [ref. 26001], Allen & Adrim 2003:37 [ref. 26830], Kimura et al. in Kimura & Matsuura 2003:70 [ref. 27510], Randall et al. 2004:15 [ref. 27624], Adrim et al. 2004:120 [ref. 27715], Randall 2005:214 [ref. 28239], Allen et al. 2006:1109 [ref. 29004], Allen & Erdmann 2012:416 [ref. 31980], Fricke et al. 2014:78 [ref. 33932], Mabuchi et al. 2014:203 [ref. 33426], Mabuchi et al. 2015:46 [ref. 34429], Fricke et al. 2019:139 [ref. 36673], Kuiter & Kozawa 2019:181 [ref. 36965], Allen & Erdmann 2024:441 [ref. 40796]). Current status: Valid as Sphaeramia nematoptera (Bleeker 1856). Apogonidae: Apogoninae. Distribution: Eastern Indian Ocean, western Pacific: Malaysia and Java (Indonesia) east to Caroline Islands and Fiji, north to Yaeyama Islands (Japan), south to northern Queensland (Australia) and New Caledonia. Habitat: marine.