irideus, Leucaspius Ladiges [W.] 1960:138, Fig. 11 [Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut v. 58; ref. 9361] Marmaris Mugla-arasi, Turkey. Holotype: ZMH H1085. Paratypes: ZMH H1086 (2). Type catalog: Wilkens 1977:158 [ref. 22013]. •Synonym of Leucaspius delineatus (Heckel 1843) or a valid species -- (Lelek 1987:200 [ref. 22962]). •Synonym of Ladigesocypris ghigii (Gianferrari 1927) -- (Bogutskaya 1996:40 [ref. 22945], Bogutskaya 1997:171 [ref. 23566], Fricke et al. 2007:40 [ref. 29533]). •Valid as Pseudophoxinus irideus (Ladiges 1960) -- (Bogutskaya et al. 2006:335 [ref. 29055]). •Valid as Ladigesocypris irideus (Ladiges 1960) -- (Kottelat & Freyhof 2007:203 [ref. 29996], Barbieri et al. 2015:54 [ref. 35029]). •Valid as Squalius irideus (Ladiges 1960) -- (Perea et al. 2010:14 [ref. 31802], Çiçek et al. 2016:116 [ref. 35152], Çiçek et al. 2018:15 [ref. 36267], Çiçek et al. 2020:253 [ref. 37644], Çiçek et al. 2023:411 [ref. 40625], Çiçek et al. 2024:258 [ref. 40789]). Current status: Valid as Squalius irideus (Ladiges 1960). Leuciscidae: Leuciscinae. Distribution: Asia Minor: Mediterranean Sea tributary, Muğla Province (Turkey). Habitat: freshwater.