ioani, Eustomias Parin [N. V.] & Pokhil'skaya [G. N.] 1974:352, Fig. 18 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 96; ref. 7527] Northwestern Pacific north of 20°N, Marcus Island, 31°02'N, 150°31'E, depth estimated at 100 meters, 350 meters wire out. Holotype: ZIN 41533. Paratypes: IOM uncat. (1). •Valid as Eustomias ioani Parin & Pokhil'skaya 1974 -- (Fujii in Masuda et al. 1984:53 [ref. 6441], Gomon & Gibbs 1985:40 [ref. 5268], Harold 1999:1913 [ref. 24741], Nakabo 2000:339 [ref. 25086], Nakabo 2002:339 [ref. 26001], Mundy 2005:184 [ref. 28379], Prokofiev & Orlov 2022:241 [ref. 39047] in subgenus Biradiostomias). Current status: Valid as Eustomias ioani Parin & Pokhil'skaya 1974. Stomiidae: Melanostomiinae. Distribution: Western and Central North Pacific: Japan to Emperor Seamounts (Hawaiian Ridge). Habitat: marine.