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Issue: Vol. 4263 No. 2: 9 May 2017
Type: Article
Published: 2017-05-09
DOI: 10.11646/zootaxa.4263.2.11
Page range: 378–386
Abstract views: 157
PDF downloaded: 2

A new Physoschistura from a Salween affluent in western Yunnan (Teleostei: Nemacheilidae)

Kunming College of Life Sciences, University of Chinese Academy of Sciences, Kunming, 650204 Yunnan, China. State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223 Yunnan, China.
taxonomy secondary gas-bladder chamber new species Nangunhe River Cangyuan China Pisces

Abstract

Physoschistura absumbra, new species, is described from the watershed of the Salween in Cangyuan County, Yunnan Province, China. The combination of a complete lateral line, a continuous lower jaw, and the absence of a suborbital lobe distinguishes it from all other congeners. Further diagnostic characters are a long (dorsally 23–25% SL, laterally 26–28% SL) and deep head (at nape 13–14% SL), a shallow body (15–17% SL), a deep caudal peduncle (13–14% SL), 9–12 rather regular flank bars, a complete basicaudal bar, and a maximum adult size of about 44 mm SL.

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