To evaluate the present status of Kondakarla lake faunal diversity like fishes, amphibians, reptiles and birds diversity in Kondakarla freshwater lake, Visakhapatnam, Andhra Pradesh, India, was studied for a period of 3 years from 2009-2012. Bio diversity and its conservation are regarded as one of the natural resources. Kondakarla fresh water lake ecosystem inhabits several aquatic organisms. Change in water quality due to pollution put the fauna under stress. Loss of bio diversity used as an indicator of environmental degradation. This contribution focuses on the bio diversity and their conservation aspects in Kondakarla fresh water lake ecosystem, Visakhapatnam, Andhra Pradesh, India.