graciliformis, Hippocampus McCulloch [A. R.] 1911:29, Pl. 6 (fig. 2) [Biological Results Endeavour [v. 1] (pt 1); ref. 2936] Near Bass Strait, Australia. Holotype (unique): AMS E.429. •Synonym of Hippocampus bleekeri Fowler 1907 -- (Kuiter 2001:323 [ref. 25900], Paxton et al. 2006:826 [ref. 29073], Kuiter 2009:18 [ref. 30404]). •Synonym of Hippocampus abdominalis Lesson 1827 -- (Paxton et al. 1989:421 [ref. 12442], Gomon et al. 1994:448 [ref. 22532], Lourie et al. 1999:69 [ref. 23993], Lourie et al. 2016:13 [ref. 34632]). Current status: Synonym of Hippocampus abdominalis Lesson 1827. Syngnathidae: Syngnathinae. Habitat: marine.