A New Species of <i>Microphysogobio</i> (Cypriniformes: Cyprinidae) from Guangxi Province, Southern China.

Abstract

<b>Shih-Pin Huang, Yahui Zhao, I-Shiung Chen, and Kwang-Tsao Shao (2017)</b> <i>Microphysogobio zhangi</i> n. sp., a new cyprinid species is described from Guangxi Province, China. Morphological and molecular evidence based on mitochondrial DNA Cytochrome <i>b</i> (Cyt <i>b</i>) sequence were used for comparing this new species and other related species. The phylogenetic tree topology revealed that this new species is closely related to <i>M. elongatus</i> and <i>M. fukiensis</i>. We also observed the existence of a peculiar trans-river gene ow in the Pearl River and the Yangtze River populations, and speculated that it was caused by an ancient arti cial canal, the Lingqu Canal, which forming a pathway directly connecting these two rivers.