Comparative phylogeography of two codistributed endemic cyprinids in southeastern Taiwan

Tzen Yuh Chiang, Yi Yen Chen, Teh Wang Lee, Kui Ching Hsu, Feng Jiau Lin, Wei Kuang Wang, Hung Du Lin

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Two cyprinid fishes, Spinibarbus hollandi and Onychostoma alticorpus, are endemic to southeastern Taiwan. This study examined the phylogeography of these two codistributed primary freshwater fishes using mitochondrial DNA cytochrome b sequences (1140 bp) to search for general patterns in the effect of historical changes in southeastern Taiwan. In total, 135 specimens belonging to these two species were collected from five populations. These two codistributed species revealed similar genetic variation patterns. The genetic variation in both species was very low, and the geographical distribution of the genetic variation corresponded neither to the drainage structure nor to the geographical distances between the samples. The results of a statistical dispersal-vicariance analysis suggested that the ancestral populations of these two species were distributed in southern Taiwan before their dispersal. Our study suggests that the initial colonization occurred in the Kaoping River followed by eastern and northward dispersal. Our results also indicate that the Central Range in Taiwan did not act as a barrier to the dispersal of S. hollandi or O. alticorpus.

Original languageEnglish
Pages (from-to)283-290
Number of pages8
JournalBiochemical Systematics and Ecology
Volume70
DOIs
Publication statusPublished - 2017 Feb 1

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry

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