okiensis, Alcichthys Mori [T.] 1956:15, Fig. 1 [Japanese Journal of Ichthyology v. 5 (nos 1-2); ref. 12213] Off Oki Island coast, Japan Sea. Holotype (unique): Hyogo Univ. Agric. •Valid as Alcichthys okiensis Mori 1956 -- (Lindberg & Krasyukova 1987:243 [ref. 15964]). •Synonym of Alcichthys elongatus (Steindachner 1881) -- (Nakabo 2002:1526 [ref. 26001], Parin et al. 2002:S68 [ref. 28300], Parin et al. 2014:233 [ref. 33547]). Current status: Synonym of Alcichthys elongatus (Steindachner 1881). Psychrolutidae: Psychrolutinae. Habitat: marine.