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Fish checklist of Perak River, Malaysia
Author(s) -
Zarul Hazrin Hashim,
Rosli Yeop Zainuddin,
Amir Shah Ruddin Md Sah,
Shahrul Anuar Mohd Sah,
Mohd Syaiful Mohammad,
Mashhor Mansor
Publication year - 2012
Publication title -
check list
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.276
H-Index - 22
ISSN - 1809-127X
DOI - 10.15560/8.3.408
Subject(s) - cyprinidae , habitat , diversity of fish , salinity , fish <actinopterygii> , fishery , ecology , tropics , environmental science , freshwater fish , biology , geography
Out of the 1000 species of freshwater fish documented in the South-East Asian Tropics, 420 species can be found in Malaysia. Based on experimental gill net studies, Perak River recorded a total of 107 fish species, which comprises of 33 families with Cyprinidae as the dominant family, with 43 species. The fluctuating number of species and species replacement in the upstream direction in this river reflects the orientation of the River Continuum Concept. Gradient changes of salinity, habitat heterogeneity, water velocity and riverbed materials are some of the factors that may contribute to the fluctuation and species replacement.

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