hartzfeldii, Apogon Bleeker [P.] 1852:254 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 3 (no. 2); ref. 16825] Ambon Island, Molucca Islands, Indonesia. Holotype (unique): RMNH 5597 (97-mm specimen of 12). Bleeker specimen: BMNH 1880.4.21.62 (1). •Valid as Apogon hartzfeldii Bleeker 1852 -- (Paxton et al. 1989:548 [ref. 12442], see Kuiter 1993:160 [ref. 23929], Allen 1997:110 [ref. 23977], Chen et al. 1997:135 [ref. 26476] as hartzfeldi, Randall et al. 1997:508 [ref. 25919], Myers 1999:126 [ref. 23965], Allen 1999:2606 [ref. 24812], Johnson 1999:732 [ref. 25471], Allen in Randall & Lim 2000:613 [ref. 25122], Allen 2000:100 [ref. 25868], Hutchins 2001:31 [ref. 25847], Allen & Adrim 2003:35 [ref. 26830] as hartzfeldi, Kimura et al. in Kimura & Matsuura 2003:63 [ref. 27510], Allen et al. 2006:1089 [ref. 29004]). •Valid as Ostorhinchus hartzfeldii (Bleekjer 1853) -- (Allen & Erdmann 2012:394 [ref. 31980], Larson et al. 2013:113 [ref. 32988], Fricke et al. 2014:74 [ref. 33932], Mabuchi et al. 2014:200 [ref. 33426], Fricke et al. 2019:135 [ref. 36673], Kuiter & Kozawa 2019:110 [ref. 36965], Gloerfelt-Tarp & Kailola 2022:153 [ref. 41223], Sato et al. 2022:[2] [ref. 39434], Allen & Erdmann 2024:420 [ref. 40796]). Current status: Valid as Ostorhinchus hartzfeldii (Bleeker 1852). Apogonidae: Apogoninae. Distribution: Western Pacific: Indonesia east to Palau, north to Ryukyu Islands (Japan), south to Papua New Guinea. Habitat: marine.