Comparative phylogeography of two codistributed endemic cyprinids in southeastern Taiwan |
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| Institution: | 1. Department of Life Sciences, Cheng Kung University, Tainan 701, Taiwan;2. Taiwan Endemic Species Research Institute, ChiChi, Nantou 552, Taiwan;3. Department of Industrial Management, National Taiwan University of Science and Technology, Taipei 10607, Taiwan;4. Tainan Hydraulics Laboratory, National Cheng Kung University, Tainan 709, Taiwan;5. Department of Environmental Engineering and Science, Feng Chia University, Taichung 407, Taiwan;6. The Affiliated School of National Tainan First Senior High School, Tainan 701, Taiwan;1. Sichuan Key Laboratory of Conservation Biology on Endangered Wildlife, College of Life Sciences, Sichuan University, Chengdu 610065, PR China;2. Analytical and Testing Center, Sichuan Academy of Agricultural Science, Chengdu 610066, PR China;3. Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China;4. Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, PR China;1. Department of Physics, Nanjil Catholic College of Arts and Science, Kaliyakkavilai, 629153, Tamil Nadu, India;2. Department of Physics, Bethlahem Institute of Engineering, Kanyakumari District, Tamil Nadu, India;3. Department of Physics, NMCC, Marthandom, 629 165, Tamil Nadu, India;1. Shanghai Universities Key Laboratory of Marine Animal Taxonomy and Evolution, China;2. Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, Shanghai, China;3. National Demonstration Center for Experimental Fisheries Science Education (Shanghai Ocean University), China;4. Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, China;1. Museum and Art Gallery of the Northern Territory, Darwin, Northern Territory 0801, Australia;2. Evolutionary Biology Unit, South Australian Museum, North Terrace, Adelaide, South Australia 5000, Australia;3. School of Biological Sciences, The University of Adelaide, Adelaide, South Australia 5005, Australia;4. Centre for Applied Water Science, Institute for Applied Ecology, University of Canberra, ACT 2601, Australia;5. Centre for Aquatic Pollution Identification and Management, School of Biosciences, The University of Melbourne, Parkville, Victoria 3010, Australia;6. Aquatic Environmental Stress Research Group, School of Science, Royal Melbourne Institute of Technology University, Melbourne, Victoria 3083, Australia;1. Key Laboratory of Adaptation and Evolution of Plateau Biota, Qinghai Provincial Key Laboratory of Animal Ecological Genomics, Laboratory of Plateau Fish Evolutionary and Functional Genomics, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. Key Laboratory of Marine Animal Taxonomy and Evolution, Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China;4. Department of Biology, University of Pennsylvania, Philadelphia, USA |
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| 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. |
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| Keywords: | Spinibarbus hollandi Mitochondrial S-DIVA |
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