fuscus, Hippocampus Rüppell [W. P. E. S.] 1838:143, Pl. 33 (fig. 3) [Neue Wirbelthiere zu der Fauna von Abyssinien gehörig. Fische des Rothen Meeres; ref. 3844] Jeddah, Saudi Arabia, Red Sea. Syntypes: SMF 876 (1), 4914 (1). •Synonym of Hippocampus kuda Bleeker 1852 -- (Lourie et al. 2016:31 [ref. 34632]). •Valid as Hippocampus fuscus Rüppell 1838 -- (Dor 1984:78 [ref. 29757], Goren & Dor 1994:20 [ref. 25356], Lourie et al. 1999:95 [ref. 23993], Manilo & Bogorodsky 2003:S102 [ref. 27377], Golani 2005:31 [ref. 37112], Mehanna & Al-Mahdawi 2006:124 [ref. 36858], Fricke et al. 2007:73 [ref. 29533], Kuiter 2009:67 [ref. 30404], Lourie 2016:119 [ref. 34505], Hamilton et al. 2016:Supplement 2 [ref. 35615], Bogorodsky & Randall 2018:[20] 258 [ref. 36492], Golani & Fricke 2018:50 [ref. 36273], Suresh et al. 2018:167 [ref. 36495], Bariche & Fricke 2020:147 [ref. 37515], Golani 2021:35 [ref. 38303], Kovačić et al. 2021:37 [ref. 39014], Moots 2022:469 [ref. 39722], Ergüden & Ayas 2023:33 [ref. 40488]). Current status: Valid as Hippocampus fuscus Rüppell 1838. Syngnathidae: Syngnathinae. Distribution: Red Sea endemic; Mediterranean Sea (Red Sea immigrant). Habitat: marine.