klamathensis, Cottus Gilbert [C. H.] 1898:10, Fig. [Bulletin of the U. S. Fish Commission v. 17 (art. 1) [1897]; ref. 12349] Upper Klamath Lake near Klamath Falls, Klamath County, Oregon, U.S.A. Holotype: USNM 48226. Paratypes: (20) ANSP 39138 (1), 39143 (1); BMNH 1900.9.29.195-196 (2); ?CAS-SU 6290 (63); ?UMMZ 130637 (19). Type catalog: Böhlke 1953:128 [ref. 12291], Böhlke 1984:65 [ref. 13621]. •Valid as Cottus klamathensis subspecies klamathensis Gilbert 1898 -- (Miller & Taylor 1984:938 [ref. 6809], Moyle 2002:356 [ref. 26449]). •Valid as Cottus klamathensis Gilbert 1898 -- (Lee et al. 1980:815 [ref. 22416], Daniels & Moyle 1984:954 [ref. 8977], Page & Burr 1991:253 [ref. 18983], Nelson et al. 2004:119 [ref. 27807], Scharpf 2008:10 [ref. 30399] with subspecies, Page & Burr 2011:482 [ref. 31215] with 3 subspecies, Page et al. 2013:122 [ref. 32708], Goto et al. 2014:[9] [ref. 33456], Young et al. 2022:327 [ref. 39356], Page et al. 2023:184 [ref. 40505]). Current status: Valid as Cottus klamathensis Gilbert 1898. Cottidae. Distribution: North America: Oregon and California (U.S.A.). Klamath River above Kalamath Falls [subspecies klamathensis]. Habitat: freshwater.