gaderanus, Leuciscus Günther [A.] 1899:388, Pl. 24 (fig. B) [The Journal of the Linnean Society of London. Zoology v. 27 (no. 177); ref. 14704] Gader Chai, near Ocksa, northwestern Iran; near mouth of Nazlu Chai at Superghan, Iran. Syntypes: (3 + 3) BMNH 1899.9.30.113-115 (3) Ocksa, 1899.9.30.108-112 (?2 of 5 are types). •Questionably valid -- (Coad 1995:19 [ref. 23608]). •Tentatively a synonym of Petroleuciscus ulanus (Günther 1899) -- (Coad & Bogutskaya 2010:45 [ref. 30930]). •Synonym of Petroleuciscus ulanus (Günther 1899) -- (Esmaeili et al. 2010:370 [ref. 33391], Jouladeh-Roudbar et al. 2015:878 [ref. 34062], Esmaeili et al. 2018:34 [ref. 36089], Çiçek et al. 2024:238 [ref. 40789]). •Synonym of Alburnus ulanus (Günther 1899) -- (Jouladeh-Roudbar et al. 2020:131 [ref. 37983]). Current status: Synonym of Alburnus ulanus (Günther 1899). Leuciscidae: Leuciscinae. Habitat: freshwater.