University of Sri Jayewardenepura, University of Peradeniya, Saitama University, affiliation not provided to SSRN, Centre for Water Quality and Algae Research, Department of Zoology, University of Sri Jayewardenepura, Department of Biosystems Technology, Faculty of Technology, University of Sri Jayewardenepura, University of Sri Jayewardenepura and University of Sri Jayewardenepura