The Krishnagiri reservoir was build upstream of Sathanur Dam. Although the reservoir encompasses the same area as the dam, it is much shallower. The native species found in this reservoir were preserved but hardly used for commercial reasons. The species include P. sarana, Ompok bimaculatus, M. vittatus, Notopterus sp., murrels and others. A year after, species like catla, rohu, mrigal, C. cirrhosa, L. fimbriatus, C. carpio, C. reba, L. calbasu, Oreochromis mossambicus, L. kontius, P. dubius and Rhinomugil corsula are also stocked. The breeding rate was high initially, but now it has become moderate. This was a healthy drift, indicating the achievement of proper preservation. The present yield of the reservoir is only about 10.6 kg/ha/year with a range of 8.61 to 13.00 kg every hectare.

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