ophthalmonema, Gobius Bleeker [P.] 1856:208 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 12 (no. 1); ref. 16861] Ternate, Molucca Islands, Indonesia. Holotype (unique): RMNH 4542 (smallest of 6). •Synonym of Oxyurichthys tentacularis (Valenciennes 1837) -- (Rema Devi 1993:178 [ref. 24020]). •Valid as Oxyurichthys ophthalmonema (Bleeker 1856) -- (Akihito in Masuda et al. 1984:262 [ref. 6441], Hoese 1986:797 [ref. 5670], Wu & Ni in Kuang et al. 1986:280 [ref. 26639], Kawanabe & Mizuno 1989:573 [ref. 25598], Kottelat et al. 1993:147 [ref. 23448], Zhu 1995:181 [ref. 25213], Pezold 1998:693 [ref. 23420], Suzuki et al. 2000:3 [ref. 24535], Larson in Randall & Lim 2000:639 [ref. 25122], Nakabo 2000:1191 [ref. 25182], Larson & Murdy 2001:3601 [ref. 26293], Sakai et al. 2001:113 [ref. 25693], Nakabo 2002:1191 [ref. 26193], Allen & Adrim 2003:59 [ref. 26830], Myers & Donaldson 2003:642 [ref. 27495], Hoese & Larson 2006:1669 [ref. 29097], Shibukawa 2009:281 [ref. 30449], Larson & Buckle 2012:5, 22 [ref. 32272], Larson et al. 2013:203 [ref. 32988], Kottelat 2013:415 [ref. 32989], Fricke et al. 2014:169 [ref. 33932], Pezold & Larson 2015:6, 51 [ref. 33894], Fricke et al. 2018:336 [ref. 35805], Parenti 2021:338 [ref. 38603], Gloerfelt-Tarp & Kailola 2022:257 [ref. 41223], Larson 2022:167 [ref. 39971], Zarei et al. 2022:372 [ref. 39576], Jamandre 2023:169 [ref. 40455], Endruweit 2024:87 [ref. 41040]). Current status: Valid as Oxyurichthys ophthalmonema (Bleeker 1856). Oxudercidae: Gobionellinae. Distribution: Red Sea; Indo-West Pacific: Eastern Cape and KwaZulu-Natal (South Africa), East Africa, Oman, Madagascar and western Mascarenes (La Réunion) east to Micronesia and Fiji, north to Ryukyu Islands (Japan), south to Queensland (Australia). Habitat: freshwater, brackish, marine.