guttulatus, Hippocampus Cuvier [G.] 1829:363 [Le Règne Animal (Edition 2) v. 2; ref. 995] Nice, France [old locality: Mediterranean Sea]. Neotype: MNHN 2016-0023. Based on brief description and citation to "Will. J. 25, f. 3." See comments under Hippocampus brevirostris on types and status of eastern Atlantic seahorses. Neotype designated by Lourie et al. 2016:26 [ref. 34632]. •Synonym of Hippocampus ramulosus Leach 1814 -- (Wheeler 1973:279 [ref. 7190], Dawson in Whitehead et al. 1986:631 [ref. 13676], Golani 2005:31 [ref. 37112]). •Synonym of Hippocampus hippocampus (Linnaeus 1758) -- (Vasil'eva 2007:72 [ref. 30517], Kuiter 2009:58 [ref. 30404], Parin et al. 2014:207 [ref. 33547]). •Valid as Hippocampus guttulatus Cuvier 1829 -- (Lourie et al. 1999:97 [ref. 23993], Bilecenoğlu et al. 2002:68 [ref. 26753], Choo & Liew 2003:271 [ref. 26841], Fricke et al. 2007:73 [ref. 29533], Ninua & Japoshvili 2008:170 [ref. 31251], Lipej & Dulčić 2010:36 [ref. 36649], Lourie 2016:126 [ref. 34505], Fritzsche 2016:2236 [ref. 34608], Lourie et al. 2016:26 [ref. 34632], Hamilton et al. 2016:Supplement 2 [ref. 35615], Woodall et al. 2017:8 [ref. 36468], Artüz & Fricke 2019:555 [ref. 36612], Carneiro et al. 2019:175 [ref. 37250], Elbaraasi et al. 2019:95 [ref. 36864], Bariche & Fricke 2020:111 [ref. 37515], Dyldin et al. 2020:106 [ref. 37569], Kovačić et al. 2020:23 [ref. 37519], Bañón & Maño 2021:66 [ref. 38883], Kovačić et al. 2021:37 [ref. 39014], Niță et al. 2022:139 [ref. 40471], Ergüden & Ayas 2023:33 [ref. 40488]). Current status: Valid as Hippocampus guttulatus Cuvier 1829. Syngnathidae: Syngnathinae. Distribution: Mediterranean Sea; Sea of Marmara; Black Sea; eastern Atlantic: British Isles south to Portugal, including Azores and Madeira. Habitat: brackish, marine.