jouyi, Leuciscus Jordan [D. S.] & Snyder [J. O.] 1901:741, Pl. 31 [Proceedings of the United States National Museum v. 23 (no. 1235); ref. 2504] Sasuna, Tsushima Province, Japan. Holotype: USNM 45228. Paratypes: CAS-SU 6376 (7), USNM 75164 (1). Type catalog: Böhlke 1953:33 [ref. 12291]. Could also be treated as a synonym of •Valid as Moroco jouyi (Sauvage & Dabry de Thiersant 1874) -- (Okada 1961:492 [ref. 6363], Sawada in Masuda et al. 1984:57 [ref. 6441]). •Synonym of Phoxinus oxycephalus (Sauvage & Dabry de Thiersant 1874), but a valid subspecies -- (Watanabe 1998:262 [ref. 23491], Sato et al. 1998:31 [ref. 24972], Mizuno et al. 1999:6 [ref. 25311], Nakabo 2000:264 [ref. 25086], Matsuura et al. 2000:102 [ref. 26000], Nakabo 2002:264 [ref. 26001]). •Synonym of Rhynchocypris oxycephala (Sauvage & Dabry de Thiersant 1874) but as a valid subspecies jouyi -- (Dyldin & Orlov 2016:665 [ref. 34853] as oxycephalus, Hata et al. 2019:15 [ref. 36849] as oxycephalus, Saiki et al. 2023:69 [ref. 40766] as oxycephalus). Current status: Synonym of Rhynchocypris oxycephala (Sauvage & Dabry de Thiersant 1874). Leuciscidae: Pseudaspininae. Distribution: East Asia: Japan [this subspecies]. Habitat: freshwater.