The present study was conducted during June to December, 2010 with a view developing nursery technology respect stocking density optimization and survivability of prawn PL in earthen ponds. Hatchery obtained were reared commercial feed monitoring water quality for 14 weeks 12 ponds (1.25dec each) at Khulna University. Four densities viz., 958, 500, 800 1000 PL/dec used three replicates each. ra...