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Title :Genetic isolation of the mottled spinefoot Siganus fuscescens Ryukyu Archipelago population
Authors :Iwamoto, Kensuke
Abdullah, Muhamad Fadry
Chang, Chih-Wei
Yoshino, Tetsuo
Imai, Hideyuki
Issue Date :20-Sep-2015
Abstract :A nucleotide sequence analysis of the mitochondrial DNA control region was conducted to reveal the genetic population structure and demographic history of the mottled spinefoot Siganus fuscescens (Houttuyn, 1782), and we discussed the taxonomic treatment of S. fuscescens and white-spotted spinefoot S. canaliculatus (Park, 1797) in terms of population genetics and morphological studies. Sequence analysis indicated that the haplotypes could be clearly divided into three lineages. Morphological analysis indicated no significant differences among measurements for the three genetically divergent lineages. We concluded that each lineage had once been isolated, and then former allopatric lineages may have resulted in the sympatric distribution of lineages due to secondary contact. Siganus fuscescens regards as valid species, and S. canaliculatus is a junior synonym of S. fuscescens.
Type Local :雑誌掲載論文
ISSN :1345-0662
Publisher :The Biogeographical Society of Japan
URI :http://hdl.handle.net/20.500.12000/37547
Citation :Biogeography : international journal of biogeography, phylogeny, taxonomy, ecology, biodiversity, evolution, and conservation biology Vol.17 p.61 -85
Appears in Collections:Peer-reviewed Journal Articles (Faculty of Science)

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