Fish Fauna Composition at Rambungan Mangrove Area and Waters of Sampadi Island, Lundu, Sarawak

Hafida, Binti Bol @ Bolhen (2013) Fish Fauna Composition at Rambungan Mangrove Area and Waters of Sampadi Island, Lundu, Sarawak. [Final Year Project Report] (Unpublished)

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Abstract

The study of fish fauna composition was carried out at five stations at Rambungan River and waters around Sampadi Island, Lundu, Sarawak. It was conducted to document the current composition and diversity of fish population as well as to determine the dominant species and family present. Samplings were carried out once in early November 2012 and once in April 2013 by using gill nets of different mesh sizes (2.54, 5.08, 7.62, 10.16, 12.7 and 17.78 cm) and three-layer nets. In-situ water quality parameters were measured at each station in the middle of the sampling area before sampling starts. A total of 329 individual of fishes comprising 86 species and 33 families were caught during the sampling periods. The most dominant family that was caught during the samplings was Clupeidae with a total of 59 individuals and followed by Carangidae and Engraulidae with 35 and 31 individuals, respectively. Clupeidae dominated both Station 1 and Station 2 that were located near the coastline of Sampadi Island while Mugilidae dominated Station 5 that was located at the mangrove area. Station 5 shows the highest diversity index (H'= 2.92) and evenness index (J= 0.91) compared to the other sampling sites. The distribution of fish fauna of Sampadi Island and Rambungan River was influenced by the associated ecosystem such as seagrass beds, coral reef and mangrove area.

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