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Barbus xanthos , a new barbel from the Southern Aegean basin (Teleostei: Cyprinidae)
Author(s) -
Güçlü Salim Serkan,
Kalaycı Gökhan,
Küçük Fahrettin,
Turan Davut
Publication year - 2020
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/jfb.14259
Subject(s) - barbel , biology , teleostei , cyprinidae , snout , dorsal fin , dna barcoding , cytochrome b , mitochondrial dna , anatomy , barbus , zoology , dorsum , fishery , fish <actinopterygii> , biochemistry , gene
Barbus xanthos , a new species, is described from the Eşen, Dalaman, Tersakan and Büyük Menderes rivers in south‐western Anatolia. It differs from other Barbus species in the adjacent basins by having 53–60 lateral line scales, a weakly ossified last unbranched dorsal‐fin ray (about 33–50%), numerous small irregular‐shaped black or dark‐brown spots smaller than scales, often forming large, black or dark‐brown blotches on back and flank in juveniles and adults, and a straight or slightly convex posterior dorsal‐fin margin. B. xanthos differs from its most closely related congener, B. pergamonensis , by nine nucleotide substitution sites in the mitochondrial DNA cytochrome oxidase I barcode region.