aoki, Muraenichthys Jordan [D. S.] & Snyder [J. O.] 1901:863, Fig. 13 [Proceedings of the United States National Museum v. 23 (no. 1239); ref. 2508] Rock pool at Misaki, Japan. Holotype (unique): CAS-SU 6474. Type catalog: Böhlke 1953:49 [ref. 12291]. •Synonym of Muraenichthys gymnotus Bleeker 1857 -- (McCosker 1970:508 [ref. 2931]). •Valid as Muraenichthys aoki Jordan & Snyder 1901 -- (Nakabo 2000:216 [ref. 25086], Nakabo 2002:216 [ref. 26001]). •Synonym of Scolecenchelys gymnota (Bleeker 1857) -- (Castle & McCosker 1999:121 [ref. 24075] as gymnotus). •Valid as Scolecenchelys aoki (Jordan & Snyder 1901) -- (Hibino et al. 2012:180 [ref. 32443], Hibino et al. 2013:45 [ref. 32418], Ji et al. 2013:591 [ref. 36298], Hibino & Kimura 2015:5 [ref. 33951], Kim et al. 2020:55 [ref. 39118], Sonoyama et al. 2020:18 [ref. 37637], Ji et al. 2021:245 [ref. 39406]). Current status: Valid as Scolecenchelys aoki (Jordan & Snyder 1901). Ophichthidae: Myrophinae. Distribution: Northwestern Pacific: Japan and Korea. Habitat: marine.