castellanus, Squalius Doadrio [I.], Perea [S.] & Alonso [F.] 2007:93, Figs. 1 and 3 [Graellsia, Revista de Zoologia, Museo Nacional de Ciencias Naturales, Madrid. v. 63 (no. 1); ref. 29250] Gallo River, Ventosa, Guadalajara, Spain. Holotype: MNCN 212727. Paratypes: MNCN 34147-48 (2), 42066-73 (8), 136311-13 (3), 136320-21 (2), 137042-45 (4), 138857 (1). •Valid as Squalius castellanus Doadrio, Perea & Alonso 2007 -- (Bogutskaya & Zupančič 2010:53 [ref. 30905], Perea et al. 2010:14 [ref. 31802], Özuluğ & Freyhof 2011:107 [ref. 31360], Perea et al. 2020:[7] [ref. 37489]). Current status: Valid as Squalius castellanus Doadrio, Perea & Alonso 2007. Leuciscidae: Leuciscinae. Distribution: Southwestern Europe: Tagus River basin, Spain. Habitat: freshwater.