THE INTERACTION BETWEEN CRAB AND PEANUT WORM COMMUNITIES AT HARD SUBSTRATE AREA OF PANTAI PUTERI KUCHING, SARAWAK

Nur Atikah, Abu Shaharin (2015) THE INTERACTION BETWEEN CRAB AND PEANUT WORM COMMUNITIES AT HARD SUBSTRATE AREA OF PANTAI PUTERI KUCHING, SARAWAK. [Final Year Project Report] (Unpublished)

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Abstract

Study on population density of the crabs and the peanut worms were conducted across the rocky area at Pantai Puteri in order to see the relationship between them on 21 February 2015. The objectives of this study are (1) determine the density of crab and peanut worm; (2) confirm the prey-predator relationship between peanut worms and crabs and (3) analyse the gut content of the crabs. Results showed that the highest crab density was at the 30 m and 60 m and the highest peanut worm density was at 30 m. There was a significant negative correlation between crab and peanut worm (Pearson Correlation, r = 0.730; p = 0.031). However, the result of the laboratory feeding showed that the crab did not feed on peanut worm. In addition, the gut content analysis of crab showed that the crab did not consume on the peanut worm and the major food item is algae. As a conclusion, there is interaction between the crab and peanut worm but they are not the prey and predator relationship. The interaction is probably competition between them for suitable living space.

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