Abstract
Genetic differentiation in the intertidal goby Chaenogobius annularis was studied using allozyme markers. Samples were collected from six localities along the coasts of Japanese islands and the Korean Peninsula. Six out of 13 loci showed allelic variation in at least one population. Although the predominant alleles of 12 loci were the same among all populations, Mdh-1 showed clear differences among the populations located along the coasts of the Pacific Ocean and the Sea of Japan. These two possible geographic groups, the Pacific Ocean and the Sea of Japan groups, were characterized by diagnostic alleles of Mdh-1, namely Mdh-1 100 and Mdh-1 70.
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Acknowledgments
The authors wish to thank T. Shimizu, S. Hong, and W. Nam for providing samples. This study was supported by the Mikimoto Fund for Marine Ecology and the Global COE Program “Centre for Ecosystem Management Adapting to Global Change” (J03) of the Ministry of Education, Culture, Sports, Science, and Technology of Japan. The staff of Onagawa Field Science Center, Graduate School of Agricultural Science, Tohoku University, assisted in the collection of samples.
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Hirase, S., Ikeda, M., Kanno, M. et al. Detection of regional allozyme divergence in the rocky intertidal goby Chaenogobius annularis . Ichthyol Res 59, 264–267 (2012). https://doi.org/10.1007/s10228-012-0272-4
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DOI: https://doi.org/10.1007/s10228-012-0272-4