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A survey on fish diversity was conducted at eight streams flowing into Muda Reservoir, one of the three reservoirs in the Ulu Muda Forest Reserve, Kedah. Forty-nine species from 24 fish families, including 10 new records for the area were recorded bringing the total number of fish species identified known to date to 63 species. Cypriniforms were the most dominant group of fish with 27 species, followed by siluriforms and anabantiforms with 11 and 10 species, respectively. A little-known species, Tuberoschistura baenzigeri, was reported for the first time in the west coast region of Peninsular Malaysia. This study was far from complete, but the results should be useful for local fisheries managers to manage the fish resources in Muda Reservoir and its tributaries for conservation and the benefit of local inland fishermen. [ABSTRACT FROM AUTHOR]

The length-weight relationship and relative condition factor of five freshwater fish species were investigated at tributaries of Muda Reservoir, Ulu Muda Forest Reserve. A total of 2,168 specimens were sampled from October 2014 to October 2015 using cast nets. The length-weight relationship and relative condition factor were analyzed for Rasbora myersi (Seluang), Mystacoleucus obtusirostris (Sia), Barbodes binotatus (Tebal sisik), Cyclocheilichthys apogon (Temperas) and Osteochilus vittatus (Terbui). The growth coefficient (b) values from the length-weight equation (W=aLb) were 2.816 for R. myersi (negative allometric), 3.142 for M. obtusirostris (positive allometric), 3.020 for B. binotatus (isometric), 3.203 for C. apogon (positive allometric) and 3.085 for O. vittatus (isometric). The mean relative condition factor values of these species ranged from 1.04 ± 0.003 for R. myersi to 2.38 ± 0.017 for C. apogon, signifying that environmental condition of Muda Reservoir is favourable for the growth of these species. Hopefully, the findings from this study could be used as baseline data for future studies on growth pattern of these fish species, as well as for geographical comparison. [ABSTRACT FROM AUTHOR]