euchila, Gila bicolor Hubbs [C. L.] & Miller [R. R.] 1972:103 [Transactions of the San Diego Society of Natural History v. 17 (no. 8); ref. 2260] Fish Creek Springs, Fish Creek Valley, southwestern corner of Eureka County, Nevada, U.S.A. Holotype: UMMZ 124938. Paratypes: UMMZ 124939 (516). Type catalog: Gilbert 1998:77 [ref. 23395]. •Synonym of Gila bicolor (Girard 1856), but a valid subspecies as described -- (Gilbert 1998:77 [ref. 23395]). •Synonym of Siphateles bicolor (Girard 1856), but a valid subspecies as described -- (Scharpf 2005:41 [ref. 28940]). •Synonym of Siphateles isolatus (Hubbs & Miller 1972), but a valid subspecies as described -- (Campbell et al. 2025:56 [ref. 42575]). Current status: Synonym of Siphateles isolatus (Hubbs & Miller 1972). Leuciscidae: Laviniinae. Distribution: North America: Fish Creek Valley, Nevada, U.S.A. [subspecies euchila]. Habitat: freshwater.