• To compare percentage conversion of nauplii from The density different. The highest average percentage conversion zoea 1 in all the treatments is water 1L./nauplii 15,000 pcs. the highest percentage conversions at 99.76% and water1L./nauplii 20,000 pcs. Water 1L./nauplii 25,000 pcs. water 1L./nauplii 30,000 pcs. which have the average percentage conversion of 99%, 97% and 1.33% respectively.