Species that contain: Gymnocanthus and intermedius [ 2 ] records

filamentosus, Cottus Sauvage [H.-E.] in Vaillant & Sauvage 1875:279 [Revue et Magasin de Zoologie (Sér. 3) v. 3; ref. 17853] "Hawaiian Islands" [error]. Syntypes: MNHN 0000-9090 (2). Type catalog: Blanc & Hureau 1968:51 [ref. 20738]. •Apparently a synonym of Gymnocanthus intermedius (Temminck & Schlegel 1843) -- (see Mundy 2005:336 [ref. 28379]). Current status: Synonym of Gymnocanthus intermedius (Temminck & Schlegel 1843). Psychrolutidae. Habitat: marine.

intermedius, Cottus Temminck [C. J.] & Schlegel [H.] 1843:38 [Fauna Japonica Parts 2-4; ref. 4371] Coast of Yezo, Japan. Holotype: RMNH D652 (dry skin, poor condition). Type information: Boeseman 1947:48 [ref. 12876]. •Valid as Gymnocanthus intermedius (Temminck & Schlegel 1843) -- (Watanabe 1960:54 [ref. 11959], Yabe in Masuda et al. 1984:328 [ref. 6441], Lindberg & Krasyukova 1987:198 [ref. 15964], Kim & Youn 1992:63 [ref. 22287], Sokolovskaya et al. 1998:9 [ref. 24670], Nakabo 2000:629 [ref. 25086], Nakabo 2002:629 [ref. 26001], Choi et al. 2003:262, 575 [ref. 26218], Parin et al. 2002:S74 [ref. 28300] as Gymnacanthus, Mundy 2005:336 [ref. 28379], Shinohara et al. 2014:249 [ref. 33330], Kim et al. 2020:101 [ref. 39118], Dyldin & Orlov 2022:44 [ref. 38972]). Current status: Valid as Gymnocanthus intermedius (Temminck & Schlegel 1843). Psychrolutidae. Distribution: Northwestern Pacific. Habitat: marine.