A process of producing fish feed comprising the steps of: gathering a plurality of aquatic macrophytes namely: water hyacinth (Eichhomia crassipes), duckweed (Spirodela polyrhiza), fern (azalia filiculoides), and seaweed (Sargassum crasifolium), washing the gathered aquatic macrophytes with fresh water, soaking the washed aquatic macrophytes with fresh water for 24 hours, oven drying aquatic macrophytes at 60-80oC for 1 hour, preparing a plurality of fish by washing said fish with water, boiling at 100oC for 10 minutes and oven drying at 60-80oC for 1 hour, cooling the oven dried aquatic macrophytes and fish at room temperature, pulverizing oven dried and fish using a pulverizer, roasting said pulverized aquatic macrophytes and fish in a pan at 80-100oC for 10-15 minutes, cooling said roasted aquatic macrophytes and fish at room temperature, mixing a cornstarch mixed with water in predetermined ratio and vitamins and minerals premix to said cooled fish feed mixture while mixing constantly, pelletizing said fish feed mixture using a pelletizer, oven drying said pelletized fish feed mixture for at 60-80oC for 1 hour, and packing said fish feed in a container
