inopinatus, Gasterosteus Girard [C. F.] 1854:147 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 7; ref. 5769] A fresh water lagoon about 1 mile back of Presidio, California, U.S.A. Syntypes: MCZ 6701 (1), MNHN 0000-0300 [ex USNM] (2). Type catalog: Bertin & Estève 1950:37 [ref. 19576]. •Synonym of Gasterosteus aculeatus Linnaeus 1758, subspecies aculeatus -- (Okada 1961:605 [ref. 6363]). •Synonym of Gasterosteus aculeatus Linnaeus 1758 -- (Monod 1973:282 [ref. 7193], Denys et al. 2022:397 [ref. 40085]). Current status: Synonym of Gasterosteus aculeatus Linnaeus 1758. Gasterosteidae. Habitat: freshwater, brackish, marine.