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Pakistan Journal of Biological Sciences
Year: 2009  |  Volume: 12  |  Issue: 3  |  Page No.: 231 - 238

Variation of Ca, Sr, Ba and Mg in the Otolith of Mudskipper in West Coast of Peninsular Malaysia

A.S. Sarimin, M.A. Ghaffar and C.A.R. Mohamed    

Abstract: A study on elemental composition in the otolith of giant mudskipper, Periophthalmodon schlosseri, was done from June to October 2003. Specimens were obtained from the mangrove areas of Kuala Selangor, Sepang and Melaka in the west coast of Peninsular Malaysia. A total of 70 sagitta otoliths were analyzed to detect variation of Sr, Ba and Mg, replacing the natural chemical composition of the otolith, which is the calcium carbonate (CaCO3). The average ratio of Sr:Ca was 0.11x10-4, Ba:Ca was 5.7x10-3 and Mg:Ca was 0.2x10-3. Strong correlation (R>0.8) between fish body size and otolith weight of mudskipper (p<0.01) also found during this study.

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