photogaster, Apogon (Jaydia) Gon [O.] & Allen [G. R.] 1998:3, Figs. 1-2 [The J.L.B Smith Institute of Ichthyology Special Publication No. 62; ref. 24416] Padoz Reef, Madang Lagoon, 5°10'S, 145°49'E, Papua New Guinea, western Pacific, depth 18-23 meters. Holotype: WAM P.31213-057. Paratypes: BPBM 38301 (1); MNHN 1998-391 (1); SAIAB [formerly RUSI] 57596-97 (1, 1); USNM 348213 (1); WAM P.30358-001 (1 c&s), 31213-001 (3), 31394-001 (2). Type catalog: Moore et al. 2008:25 [ref. 30117]. •Appears to be a synonym of Apogon argyrogaster Weber 1909 -- (Fraser 2000:253 [ref. 24412], Fraser pers. comm. 3/2008). •Valid as Jaydia photogaster (Gon & Allen 1998) -- (Allen & Erdmann 2012:383 [ref. 31980], Fricke et al. 2014:72 [ref. 33932], Mabuchi et al. 2014:202 [ref. 33426], Gon et al. 2015:288 [ref. 33858], Fraser & Prokofiev 2016:239 [ref. 34742], Kuiter & Kozawa 2019:170 [ref. 36965], Allen & Erdmann 2024:408 [ref. 40796]). Current status: Valid as Jaydia photogaster (Gon & Allen 1998). Apogonidae: Apogoninae. Distribution: Western Pacific: eastern Indonesia east to Papua New Guinea, north to Philippines. Habitat: marine.