amakusensis, Hippichthys Tomiyama [I.] 1972:6, Fig. 3 [Publications from the Amakusa Marine Biological Laboratory Kyushu University v. 3 (no. 1); ref. 446] Aitsu, Japan. Holotype (unique): ZUMT [ex Aitsu Mar. Biol. Sta., Kumamoto Univ.]. •Synonym of Festucalex erythraeus (Gilbert 1905) -- (Dawson 1977:629 [ref. 1066], Dawson 1985:70 [ref. 6541]). •Valid as Festucalex amakusensis (Tomiyama 1972) -- (Kuiter 2009:208 [ref. 30404]). Current status: Valid as Festucalex amakusensis (Tomiyama 1972). Syngnathidae: Syngnathinae. Distribution: Northwestern Pacific: southern Japan, Korea. Habitat: marine.