网页Pangasius fishfish Production in Ponds with Soy-Based Feeds Fish were stocked in two, 2.5-mu ponds and one 2.0-mu pond at a density of 735 fishfish and 100 silver carp per mu. Pangasius fishfish grew from 150 g to an averLIMAe weight of 659 g per fish in 74 days of feeding. Gross production of pangasius averLIMAed 485 kg/mu.