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Issue: Vol. 4247 No. 4: 29 Mar. 2017
Type: Article
Published: 2017-03-28
DOI: 10.11646/zootaxa.4247.4.2
Page range: 378–390
Abstract views: 107
PDF downloaded: 1

Oxynoemacheilus hazarensis, a new species from Lake Hazar in Turkey, with remarks on O. euphraticus (Teleostei: Nemacheilidae)

Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Müggelseedamm 310, 12587 Berlin, Germany.
Istanbul University, Science Faculty, Department of Biology, 34134 Vezneciler, İstanbul, Turkey.
Pisces Freshwater biodiversity exploration Southeastern Anatolia

Abstract

Oxynoemacheilus hazarensis, new species, from Lake Hazar in the Turkish Tigris drainage, is distinguished from other Oxynoemacheilus in the Tigris drainage by having the combination of a slightly emarginate caudal fin, no suborbital groove in males, an incomplete lateral line, no scales on the back and flank in front of the anus, the maxillary barbel reaching beyond the middle of the eye, an incision in the middle of the upper lip, and the colour pattern on the flank mottled, not interrupted by an unpigmented zone along the lateral line. Oxynoemacheilus euphraticus from the Euphrates and Tigris drainages is a valid species: it is discussed and re-diagnosed against O. argyrogramma.

 

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