ferox, Acentrogobius Smith [J. L. B.] 1959:200, Fig. 15 [Ichthyological Bulletin, Department of Ichthyology, Rhodes University No. 13; ref. 4122] Zanzibar, Tanzania, western Indian Ocean. Holotype: SAIAB [formerly RUSI] 191. Paratypes: (5) AMS I.19411-001 (1), SAIAB [formerly RUSI] 32579 (3). •Questionably a synonym of Acentrogobius simplex (Sauvage 1880) -- (Maugé 1986:358 [ref. 6218]). •Synonym of Acentrogobius simplex (Sauvage 1880) -- (Parenti 2021:81 [ref. 38603], Larson 2022:34 [ref. 39965]). Current status: Synonym of Acentrogobius simplex (Sauvage 1880). Gobiidae: Gobiinae. Habitat: brackish, marine.