Freshwater Fish Diversity and Composition in Batang Kerang Floodplain, Balai Ringin, Sarawak

A. Rahim, Khairul Adha and Daud, Siti Khalijah and Siraj, Siti Shapor and Arshad, Aziz and Esa, Yuzine and Ibrahim, Eza Rena (2009) Freshwater Fish Diversity and Composition in Batang Kerang Floodplain, Balai Ringin, Sarawak. Pertanika Journal of Tropical Agricultural Science , 32 (1). pp. 7-16. ISSN 1511-3701

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Abstract

The diversity and composition of fish communities in brown and black water habitats at Batang Kerang in Balai Ringin, Sarawak, were evaluated during high and low water seasons. A total of 234 individual fish representing 36 species belonging to 13 families were captured. The fish communities in both the habitats were apparently from 32 species belonging to 12 families in brown water, and only 12 species from 7 families in the black water habitats. The fish fauna in the brown water was dominated by the Cyprinidae (63.8%) family, while the Helostomatidae (59.8%) family dominated the black water habitat. Various water parameters, such as dissolved oxygen, pH values, conductivity and water transparency, total suspended solid (TSS) and ammonium-nitrogen concentrations were significantly different (p<0.05) between the black and brown water habitats. The brown water habitat supports more diverse and abundant populations of freshwater fishes than the black water habitat. However, introduced species such as H. temmincki and the increase of commercial fishing may also have affected the population of native fish.

Item Type:Article
Keyword:Black water, brown water, floodplains, Helostoma temminckii, fish diversity
Faculty or Institute:Faculty of Agriculture
Publisher:Universiti Putra Malaysia Press
ID Code:4909
Deposited By: Norhazura Hamzah
Deposited On:01 Apr 2010 10:30
Last Modified:27 May 2013 07:19

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