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The Morphology and Morphometric of Polymesoda Expansa from Sungai<br />

Semerak, Kelantan and Setiu Wetland, Terengganu<br />

Muhammad Atif bin Awang<br />

Supervisor: Assoc. Prof Dr. Mohd Hanafi Idris<br />

Bachelor of Applied Science (Fisheries)<br />

School of Fisheries and Aquaculture Sciences<br />

Polymesoda expansa from family Corbiculidae can be found inhabiting the mangrove<br />

areas in Southeast Asia. Morphology and morphometric studies on Polymesoda<br />

expansa were conducted from November 2017 until May 2018 at Universiti Malaysia<br />

Terengganu. A total of 36 Individual Polymesoda expansions were taken in two<br />

different places, Semerak River, Kelantan and Setiu Wetland, Terengganu. Based on<br />

the morphological identified, this species can be distinguished by colour, shell shape,<br />

shell valves and position of umbo. The range of total length and weight from Sungai<br />

Semerak was 47.35-62.54 mm and 27.54-69.81 g and Setiu Wetland was 65.57-75.34<br />

mm and 70.32-126.32 g. 15 morphometric characteristics has been choosen as to<br />

identified the species. Based on the One-way ANOVA analysis, all variable are not<br />

significant (P>0.05) except for SW/SL, LCT/SL, AAAM/SL and PAPM/SL are significant<br />

(P

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