machidai, Ophichthus McCosker [J. E.], Ide [S.] & Endo [H.] 2012:8, Figs. 4-6 [Bulletin of the National Museum of Nature and Science (Ser. A) Supplement No. 6; ref. 31982] West of Tosa Bay, Saga fish market (33°04.48'N, 133°06.80'E), Kuroshio-chu, Kochi Prefecture, Japan. Holotype: NSMT-P 106572 [ex BSKU 68428]. Paratypes: many at AMS, BAKU, FAK, KAUM, NSMT-P, USNM. •Valid as Ophichthus machidai McCosker, Ide & Endo 2012 -- (McCosker & Ho 2015:73 [ref. 34123], Ho et al. 2015:173 [ref. 34130], Mohapatra et al. 2019:49 [ref. 36586], Hibino et al. 2019:303 [ref. 36433], McCosker et al. 2020:34 [ref. 37376], Das et al. 2020:292 [ref. 38016], Kodeeswaran et al. 2023:7 [ref. 40457], Kodeeswaran et al. 2023:7 [ref. 40641], Vo et al. 2024:61 [ref. 40938]). Current status: Valid as Ophichthus machidai McCosker, Ide & Endo 2012. Ophichthidae: Ophichthinae. Distribution: Eastern Indian Ocean, western Pacific: Bay of Bengal, India, Vietnam, Taiwan and Japan. Habitat: marine.