calderae, Gobius Evermann [B. W.] & Seale [A.] 1906:511, Fig. 3 [Proceedings of the United States National Museum v. 31 (no. 1491); ref. 15657] Caldera Bay, Zamboanga, Mindanao, Philippines. Holotype: USNM 55625 [not 53625]. Paratypes: (3) MCZ 36018 (1). Type catalog: Koumans 1940:128 [ref. 2676]. •Synonym of Istigobius ornatus (Rüppell 1830) -- (Murdy & Hoese 1985:9 [ref. 5237], Kottelat 2013:411 [ref. 32989], Parenti 2021:188 [ref. 38603]). Current status: Synonym of Istigobius ornatus (Rüppell 1830). Gobiidae: Gobiinae. Habitat: brackish, marine.