Wijesundara, W.M.S.R; N.J. De S. Amarasinghe
(Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)
The most common fresh water habitats are the irrigation tanks of which there are
over 10000 in Sri Lanka. The focus of the present study was the Pattiyapola wewa
is a one of the man made tanks in the Hambantota district ...