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Abstract
Impact of carp stocking on the yield and biodiversity of non-stocked indigenous fish species in six selected oxbow lakes (baors) located in southwestern part of Bangladesh has been reported in this article. The stocking densities were 4636, 333, 3514, 1803, 5993 and 2404 fingerlings/ha in Benipur, Kayetpara, Saster, Bahadurpur, Nasti, and Bukbhara baor, respectively. The yield of non-stocked indigenous fish species (NIFS) in the studied baors varied from 0.52-134.56 kg/ha during the study period. The yield of stocked carps in the studied baors varied from 83-1027 kg/ha/yr during 2001-2002. Species abundance was different in the six selected baors. A maximum of 32 species were recorded in Bahadurpur baor while 25 in Bukhara, 16 in Kayetpara, 13 in Benipur, 9 in Nasti and 8 in Saster baor.