darwiniense, Agonostoma Macleay [W.] 1878:360, Pl. 9 (fig. 8) [Proceedings of the Linnean Society of New South Wales v. 2 (pt 4); ref. 17573] Port Darwin, Northern Territory, Australia. Syntypes: AMS I.14855 (1), I.16385-001 [ex MAMU F970] (14). Type catalog: Koumans 1940:166 [ref. 2676], Stanbury 1969:208 [ref. 19518]. •Synonym of Ophiocara porocephala (Valenciennes 1837) -- (Larson & Williams 1997:371 [ref. 23967], Hoese 2006:1607 [ref. 28998], Larson et al. 2013:187 [ref. 32988]). •Synonym of Ophiocara porocephalum (Valenciennes 1837) -- (Parenti 2021:24 [ref. 38603]). •Synonym of Ophiocara ophicephalus (Valenciennes 1837) -- (Kottelat 2013:395 [ref. 32989], Keith & Mennesson 2021:100 [ref. 38375], Kobayashi & Sato 2023:6 [ref. 40357]). Current status: Synonym of Ophiocara ophicephalus (Valenciennes 1837). Eleotridae: Butinae. Habitat: freshwater, brackish, marine.