Morphological and Genetic Variations in Rough Red Eye Crab, Eriphia smithii (MacLeay 1838) from Samaesarn Islands, Thailand

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Eriphia crab Samaesarn Islands Thailand Morphology characteristics Genetic variation

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Ade Yamindago
Department of Marine Science, Faculty of Fisheries and Marine Science, University of Brawijaya, Indonesia
Nongnud Tangkrock-olan
Department of Marine Science, Faculty of Fisheries and Marine Science, University of Brawijaya, Indonesia

Abstract

We observed morphological and genetic variations of Eriphia smithii collected from Samaesam Islands, Thailand. Eight of 12 specimens exhibited left-handed cheliped whereas the other four were right-handed. Cheliped enlargement was not determined by life stage, sex and color. Two independent genes, namely mitochondria116S rRNA and nuclear 18S rRNA, were used for genetic analysis. Based on mitochondrial16S rDNA sequences, nucleotide divergence of E. smithii, E. ferox and E. sebana ranged from 0.0 to 8.7%. Intraspecific  divergence among six E. smithii ranged from 0.0 to 1.1% and interspecific divergence among the three species ranged from 5.2 to 8.7%. Distribution of the three Eriphia species in Thailand was restricted geographically and E. smithii is the only one species occurring in Samaesam Islands.

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Yamindago, A., & Tangkrock-olan, N. (2014). Morphological and Genetic Variations in Rough Red Eye Crab, Eriphia smithii (MacLeay 1838) from Samaesarn Islands, Thailand. Journal of Fisheries and Environment, 38(3), 38–45. Retrieved from https://li01.tci-thaijo.org/index.php/JFE/article/view/80570
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Vol. 38 No. 3 (2014): September-December
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Articles

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