circumspectus, Gobius Macleay [W.] 1883:267 [Proceedings of the Linnean Society of New South Wales v. 8 (pt 2); ref. 17587] Fresh water of Milne Bay, New Guinea. Holotype (unique): AMS I.9186. Type catalog: Koumans 1940:163 [ref. 2676]. •Valid as Astovelus circumspectus (Macleay 1883) -- (Endruweit 2024:76 [ref. 41040]). •Valid as Glossogobius circumspectus (Macleay 1883) -- (Allen & Swainston 1988:134 [ref. 25477], Kottelat et al. 1993:145 [ref. 23448], Allen 1997:216 [ref. 23977], Larson & Williams 1997:368 [ref. 23967], Larson in Randall & Lim 2000:637 [ref. 25122], Nakabo 2000:1201 [ref. 25182], Larson & Murdy 2001:3597 [ref. 26293], Sakai et al. 2001:112 [ref. 25693], Hutchins 2001:43 [ref. 25847], Allen et al. 2002:277 [ref. 25930], Nakabo 2002:1201 [ref. 26193], Hoese & Larson 2006:1653 [ref. 29097], Larson et al. 2008:149 [ref. 29532], Motomura et al. 2010:212 [ref. 31256], Hoese & Allen 2012:269 [ref. 31974], Larson et al. 2013:198 [ref. 32988], Fricke et al. 2014:165 [ref. 33932], Hoese & Allen 2015:214 [ref. 33880], Prokofiev 2016:646 [ref. 35020], Pusey et al. 2017:75 [ref. 35250], Hoese & Hammer 2021:111 [ref. 38350], Parenti 2021:161 [ref. 38603], Koreeda & Motomura 2022:8 [ref. 39907], Furuhashi et al. 2023:28 [ref. 40140], Jamandre 2023:168 [ref. 40455]). Current status: Valid as Glossogobius circumspectus (Macleay 1883). Gobiidae: Gobiinae. Distribution: Southeastern Indian Ocean, western Pacific: Malaysia and Indonesia east to Philippines and New Guinea, north to Kagoshima Prefecture (southern Japan), south to northern Australia. Habitat: freshwater, brackish.