Size of the determines the stocking rate, for good growth and faster growth completion for space and feed should be avoided. At optimum state we stock 4 fish per square meter, also based on the system, availability of water and good farm management you may increase the number of fish per unit area.
Male tilapia are recommended as they grow faster than female, monosex culture permits the use of longer culture periods, higher stocking rates and fingerlings of any age. High stocking densities reduce individual growth rates, but yields per unit area are greater. If the growing season can be extended, it should be possible to produce fish weighing 454 grams or more. Expected survival for all-male culture is 90 percent or greater. A disadvantage of male monosex culture is that female fingerlings are discarded.