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The Morphology and Morphometric of Crassostrea Gasar from Setiu<br />

Wetland<br />

Mohamad Firdaus bin Ab Azid<br />

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

Bachelor of Applied Science (Fisheries)<br />

School of Fisheries and Aquaculture Sciences<br />

Crassostrea gasar inhibit mangrove ecosystem and it is usually found attached on prop<br />

root of mangrove tree. Oyster is filter feeder and can act as bio-indicator. Crassostrea<br />

gasar from Setiu Wetland was choosen for morphology and morphometric analysis.<br />

This study was conducted at Fisheries Science Lab, UMT. A total of 38 samples has<br />

been collected in February 2018. Crassostrea gasar has variety of shell shape and<br />

brownish colour on the external and white and shiny on the inner side. Nine<br />

parameters have been used for measurement. The total length and weight was in<br />

range of 25.22-56.10 mm and 9g-61g respectively. Analysis on proportional ratio<br />

based on total length has been observed and the different in size of this species might<br />

be due to environment condition.<br />

665 | UMT UNDERGRADUATE RESEARCH DAY 2018

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