rugosus, Chaenichthys Regan [C. T.] 1913:287 [Transactions of the Royal Society of Edinburgh v. 49 (pt 2, no. 2); ref. 3651] Kerguelen Island, Antarctic Ocean. Holotype (unique): BMNH 1876.3.23.4. Original genus should have been Channichthys. •Synonym of Channichthys rhinoceratus Richardson 1844 -- (Iwami & Kock 1990:386 [ref. 21699], Miller 1993:420 [ref. 21297], Muschik et al. 2022:[1] [ref. 39768] with question). •See Shandikov 1995:7 [ref. 22659]. •Valid as Channichthys rugosus Regan 1913 -- (Shandikov 1995:9 [ref. 22660], Balushkin 1996:12 [ref. 23191], Voskoboinikova 2000:329 [ref. 25153], Voskoboinikova 2002:409 [ref. 26793], Balushkin 2000:S98 [ref. 29555], Shandikov 2008:123 [ref. 30472], Shandikov 2011:130 [ref. 32234], Nikolaeva 2020:494 [ref. 38111], Nikolaeva 2021:488 [ref. 40349]). Current status: Valid as Channichthys rugosus Regan 1913. Channichthyidae. Distribution: Southern Indian Ocean: Kerguelen Island (France). Habitat: marine.