hattae, Muraenichthys Jordan [D. S.] & Snyder [J. O.] 1901:862, Fig. 12 [Proceedings of the United States National Museum v. 23 (no. 1239); ref. 2508] Rock pool at Wakanoura, Wakayama Prefecture, Japan, Inland Sea. Holotype (unique): CAS-SU 6473. Type catalog: Böhlke 1953:49 [ref. 12291]. •Synonym of Muraenichthys gymnopterus (Bleeker 1853) -- (Castle & McCosker 1999:121 [ref. 24075], Kottelat 2013:45 [ref. 32989]). •Valid as Muraenichthys hattae Jordan & Snyder 1901 -- (McCosker 1970:508 [ref. 2931], McCosker 1977:59 [ref. 6836], Asano in Masuda et al. 1984:30 [ref. 6441], Nakabo 2000:217 [ref. 25086], Nakabo 2002:217 [ref. 26001], Hibino et al. 2015:47 [ref. 34119], Ho et al. 2015:168 [ref. 34130], Hibino & Kimura 2016:135 [ref. 35048], Mohapatra et al. 2023:5 [ref. 40535]). Current status: Valid as Muraenichthys hattae Jordan & Snyder 1901. Ophichthidae: Myrophinae. Distribution: Western Pacific. Habitat: marine.