elongatus, Centridermichthys Steindachner [F.] 1881:186 [8] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 83 (1. Abth.); ref. 4231] Sea of Japan. On p. 8 of separate. Apparently figured as Centridermichthys glaber n. sp. in Pl. 6 (fig. 2). See account of Centridermichthys glaber Steindachner 1881. •Valid as Alcichthys elongatus (Steindachner 1881) -- (Lindberg & Krasyukova 1987:243 [ref. 15964] as Elophichthys, Nakabo 2000:648 [ref. 25086], Nakabo 2002:648, 1526 [ref. 26001], Parin et al. 2002:S68 [ref. 28300], Shinohara et al. 2014:248 [ref. 33330], Parin et al. 2014:232 [ref. 33547], Kim et al. 2020:101 [ref. 39118], Sonoyama et al. 2020:89 [ref. 37637], Dyldin & Orlov 2022:38 [ref. 38972]). Current status: Valid as Alcichthys elongatus (Steindachner 1881). Psychrolutidae: Psychrolutinae. Distribution: Northwestern Pacific. Habitat: marine.