orpheus, Squalius Kottelat [M.] & Economidis [P. S.] 2006:182, Fig. 1 [Ichthyological Exploration of Freshwaters v. 17 (no. 2); ref. 28769] Evros drainage, stream Ardas at ford between Kastanies and Marasia, 41°39'05"N, 26°28'23"E, Thrace, Greece. Holotype: MHNG 2659.021. Paratypes: CMK 17325 (6), 173229 (11), 17336 (4); HCMR 1479 (2); MHNG 2659.022 (2). •Valid as Squalius orpheus Kottelat & Economidis 2006 -- (Kottelat & Freyhof 2007:270 [ref. 29996], Bogutskaya & Zupančič 2010:53 [ref. 30905], Perea et al. 2010:14 [ref. 31802], Özuluğ & Freyhof 2011:108 [ref. 31360], Barbieri et al. 2015:65 [ref. 35029], Çiçek et al. 2015:147 [ref. 35151], Çiçek et al. 2020:253 [ref. 37644], Çiçek et al. 2023:413 [ref. 40625], Çiçek et al. 2024:261 [ref. 40789]). Current status: Valid as Squalius orpheus Kottelat & Economidis 2006. Leuciscidae: Leuciscinae. Distribution: Southeastern Europe: Black Sea watersheds (Greece, Bulgaria and Turkey). Habitat: freshwater.