Oxynoemacheilus evreni

Common name. Ceyhan sportive loach.

Diagnosis. Distinguished from other species of Oxynoemacheilus in Cilicia and northern Levant by: ○ caudal emarginate, middle caudal ray 80–91 % of length of longest ray in upper caudal lobe / ○ caudal with dark-brown bands of elongated blotches / ○ a yellowish triangle at upper and lower posteriormost portions of caudal peduncle / ○ one central, bold-brown blotch or no blotch on caudal base, often an irregularly shaped black bar at caudal base / ○ lateral line complete / ○ flank and back behind dorsal base covered by scales / ○ suborbital groove present in male / ○ no prominent dorsal crest on caudal peduncle / ○ flank posterior to dorsal base and caudal peduncle with a series of bold, usually irregularly shaped bars reaching from dorsal midline almost to ventral midline / ○ caudal–peduncle depth 1.8–2.4 times in its length. Size up to 68 mm SL.

Distribution . Türkiye: Ceyhan drainage.

Habitat. Small streams to larger rivers. In fast-flowing stretches usually in riffles with gravel substrate.

Biology. No data.

Conservation status. LC.

Remarks. Seyhan drainage records are subject to confirmation.

Further reading. Erk’akan et al. 2007 (description); Erk’akan et al. 2014 (size); Freyhof et al. 2021a (distribution).