dimidiatus, Gasterosteus Reinhardt [J. C. H.] 1837:114, 137, 193 [Det Kongelige Danske videnskabernes selskabs naturvidenskabelige og mathematiske afhandlinger v. 7; ref. 3691] Greenland. Syntypes: ZMUC. On pp. 32, 55 & 111 of separate. Reinhardt refers to Fauna Groenlandica Nr. 122 (Fabricius 1780:169-170 [ref. 17464]), which is Gasterosteus aculeatus in that work. •Synonym of Gasterosteus aculeatus Linnaeus 1758 -- (Monod 1973:281 [ref. 7193], Denys et al. 2022:397 [ref. 40085]). Current status: Synonym of Gasterosteus aculeatus Linnaeus 1758. Gasterosteidae. Habitat: freshwater, brackish, marine.