Otolith Microchemistry and Demographic History Provide New Insight into the Migratory Behavior and Heterogeneous Genetic Divergence of Coilia grayii in the Pearl River

Wang, Gongpei; Tang, Qindong; Chen, Zhi; Guo, Dingli; Zhou, Lei; Lai, Han; Li, Guifeng

doi:10.3390/fishes7010023

Cited by 2 publications

(1 citation statement)

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“…The Pearl River, which is the third largest river in the drainage basin area in mainland China, is composed of three main tributaries, namely, the Bei River, Dong River, and Xi River. Previous studies have shown that some species do not have obvious geographic population structure in the Pearl River drainage, such as Anguilla japonica (Zhong et al, 2022), Coilia grayii (Wang et al, 2022a), M. terminalis (Chen et al, 2020), and Hemibagrus guttatus (Yang and He, 2008). However, others had patterns concordant with predicted phylogeographic structure: the Dong and Xi/Bei Rivers contained two phylogeographic groups of S. scherzeri (Lin et al, 2022), and the Xi and Dong/Bei Rivers harbored two phylogeographic groups of G. fokiensis fokiensis (Chen et al, 2007).…”

Section: Phylogeography Of Barbodes Semifasciolatusmentioning

confidence: 99%

Phylogeography and demographic history of the cyprinid fish Barbodes semifasciolatus: implications for the history of landform changes in south mainland China, Hainan and Taiwan

Wang

Jun

et al. 2023

Front. Ecol. Evol.

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Hainan Island and Taiwan Island are adjacent to the southern margin of mainland China and Vietnam. During glacial periods, global sea levels dropped, allowing that the land bridges connected the continental island and mainland, connecting rivers and providing dispersal opportunities that shaped the origin and diversification of freshwater fishes. Barbodes semifasciolatus is distributed in various water systems of Vietnam, Hainan, Taiwan, and southern mainland China and is restricted to the southern region of the Min River. Our study aimed to evaluate the genetic diversity and phylogeography of B. semifasciolatus using the mtDNA cyt b gene (1,141 bp). A total of 107 haplotypes were identified from 395 specimens in 23 populations, and high haplotype diversity (1.000) and low nucleotide diversity (0.0134) were detected. Mitochondrial phylogenetic analysis and haplotype network analyses revealed three major lineages according to geographical distribution. Lineage A was mainly distributed in Hainan Island, Vietnam and the southern region of the Pearl River in mainland China. Lineage B was distributed only in southeastern Hainan Island. Lineage C was distributed in the coastal rivers of mainland China and Taiwan. We suggest that the river in the Guangdong region is a colonization route in South Taiwan and that the populations distributed in the Pearl River region moved southward to Hainan Island and Vietnam based on the network and Bayesian binary MCMC (BBM) analysis. Our demographic history results indicated that the populations of B. semifasciolatus experienced a bottleneck event following a recent population expansion (DECINC model) supported by ABC analysis. We suggest that sea-level changes exerted pronounced effects on the demography of B. semifasciolatus on the continental island and in the mainland during the late Pleistocene glacial cycles.

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