A study on population genetic structure of Sardinella gibbosa Bleeker, 1849 (Clupeiformes: Clupeidae) in the coastal area of Vietnam

Dang Thuy Binh, Nguyen Thi Bao Chau, Bui Kim Ly


Sardine fish comprises about 50 genera with many species, the físh is widely distributed, and sometimes they migrate along the coast in large schools. All specimens Sardinella gibbosa were collected from Phu Quoc, Khanh Hoa, Da Nang and Cat Ba. Phylogram of species diversity was built based on neightbour joining algorithm using the sequences of control region gene (CR) and 16S of mitochondrial DNA from 4 populations of S. gibbosa. Haplotype network was built by using the network software. The results showed that the control region gene (1,122 bp) of 80 individuals had a total of 32 haplotypes with haplotype diversity being h=0.916±0.00041. For the 16S gene (550 bp) of 81 individuals, a total of 31 haplotypes were detected and haplotype diversity was h=0.804±0.0017. Phylogram and haplotype network showed the wide connections between S. gibbosa populations along the coast of Vietnam, except Phu Quoc fish population. Ocean current and Mekong river outflow could be considered as abiological barrier to larval dispersal and population formation.


Sardinella gibbosa, control region, haplotype network, Vietnam.

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DOI: https://doi.org/10.15625/0866-7160/v36n1se.4391 Display counter: Abstract : 148 views. PDF : 142 views.


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