Menderes chub
(Petroleuciscus ninae)

A new species of Petroleuciscus (Teleostei: Cyprinidae) from the Büyük Menderes River, southwestern Anatolia, Turkey.

The new species is distinguished by having a black lateral stripe from head to base of caudal fin, stripe distinct anteriorly and posteriorly, wider than eye diameter; numerous black pigments on anal-fin rays; body depth at dorsal-fin origin 27–30% standard length (LS); head width at posterior margin of eye 16–19% LS; and eye diameter smaller than snout length.