elegans, Gasterosteus Blanchard [C. E.] 1866:234, Fig. 37 [Les poissons des eaux douces de la France; ref. 310] Between Cadillac and Langon, Gironde, southwestern France. Syntypes: MNHN 0000-6673 (2). Type catalog: Bertin & Estève 1950:38 [ref. 19576]. •Synonym of Gasterosteus aculeatus Linnaeus 1758 -- (Monod 1973:282 [ref. 7193], Paepke in Bănărescu & Paepke 2002:209 [ref. 25856]). •Synonym of Gasterosteus gymnurus Cuvier 1829 -- (Kottelat 1997:165 [ref. 22952], Denys et al. 2022:397 [ref. 40085]). Current status: Synonym of Gasterosteus aculeatus Linnaeus 1758. Gasterosteidae. Habitat: freshwater, brackish, marine.