ingens, Hippocampus Girard [C. F.] 1858:342 [General report upon zoology of the several Pacific railroad routes, 1857; ref. 4911] San Diego, California, U.S.A. Lectotype: USNM 982. Paralectotypes: MCZ 35914 [ex USNM 982] (1), UMMZ 118063 (1), USNM 214485 [ex USNM 982] (2). Lectotype selected by Fritzsche 1980:185 [ref. 1511]. •Valid as Hippocampus ingens Girard 1858 -- (Herrera 1896:37 [ref. 39336], Fritzsche 1980:185 [ref. 1511], Eschmeyer & Herald 1983:129 [ref. 9277], Pequeño 1989:55 [ref. 14125], Allen & Robertson 1994:98 [ref. 22193], Bussing & López S. 1994:80 [ref. 23101], Gomon 1997:250 [ref. 22842], De La Cruz Agüero et al. 1997:293 [ref. 24545], Grove & Lavenberg 1997:285 [ref. 24023], Chirichigno F. & Vélez D. 1998:101 [ref. 24555], Lourie et al. 1999:103 [ref. 23993], Castro-Aguirre et al. 1999:236 [ref. 24550], Thomson et al. 2000:67 [ref. 25640], Nelson et al. 2004:111 [ref. 27807], Love et al. 2005:71 [ref. 37547], Hooker in Nakaya et at. 2009:237 [ref. 42561], Kuiter 2009:84 [ref. 30404], McCosker & Rosenblatt 2010:190 [ref. 30957], Page et al. 2013:114 [ref. 32708], Fourrière et al. 2016:Suppl. p. 6 [ref. 42488], Galván-Villa et al. 2016:145 [ref. 34871], Lourie 2016:120 [ref. 34505], Lourie et al. 2016:29 [ref. 34632], Hamilton et al. 2016:Supplement 2 [ref. 35615], Kells et al. 2016:124 [ref. 35888], Romero-Berny et al. 2018:90 [ref. 35859], González-Murcia et al. 2019:300 [ref. 36544], Love et al. 2021:103 [ref. 39279], Grove et al. 2022:18 [ref. 41326], Page et al. 2023:118 [ref. 40505], Siccha-Ramirez et al. 2023:256 [ref. 40816], Fricke et al. 2024:293 [ref. 41622], Vela-Espinosa et al. 2023:7 [ref. 40981], Victor et al. 2024:78 [ref. 42021]). Current status: Valid as Hippocampus ingens Girard 1858. Syngnathidae: Syngnathinae. Distribution: Eastern Pacific: California (U.S.A.) south to Chile, including Gulf of California (Mexico), Cocos Island (Costa Rica) and Galapagos Islands (Ecuador). IUCN (2017): Vulnerable. Habitat: marine.