Fish fauna of Lakkavalli lake, Karnataka with respect to environmental variables

Abstract

The fish diversity of aquatic system plays a major role in our national economy. The present study was undertaken with the purpose of assessing water quality and fish diversity of Lakkavalli Lake, Shimoga, Karnataka. The fish diversity is correlated with physico-chemical variables which are the regulatory factor for the distribution and abundance of different aquatic fauna including fishes. In the present study 16 species have been recorded and majority of fishes are exploited by human consumption. For the proper sustainable management and utilization of this water resource, it is mandatory to take up the steps to monitor the lake regularly for sustainable fisheries.

Keywords

• Chikmangalore District
• Fish fauna
• Lakkavalli Lake
• Water quality variables