simulus, Acentrogobius Smith [J. L. B.] 1960:307, Fig. 6 [Ichthyological Bulletin, Department of Ichthyology, Rhodes University No. 18; ref. 4126] Delagoa Bay, southeastern Mozambique, western Indian Ocean. Holotype: SAIAB [formerly RUSI] 178. Paratypes: SAIAB [formerly RUSI] 872 (4). •Valid as Monishia simulus (Smith 1960) -- (Maugé 1986:376 [ref. 6218]). •Valid as Drombus simulus (Smith 1960) -- (Hoese 1986:787 [ref. 5670], Larson & Murdy 2001:3596 [ref. 26293], Hoese & Larson 2006:1641 [ref. 29097], Shibukawa 2010:110 [ref. 30810], Parenti 2021:134 [ref. 38603], Larson 2022:78 [ref. 39971]). Current status: Valid as Drombus simulus (Smith 1960). Gobiidae: Gobiinae. Distribution: Western Indian Ocean: East Africa (Mozambique) endemic. Habitat: marine.