§16§Ornamental fish keeping is one of the most popular hobbies in the developed countries of the world and is gaining popularity in many developing countries of the world too. The growing interest in aquarium fishes has resulted in steady increase in aquarium fish trade globally. A major constraint in the economical production of high quality ornamental fish fry is the unpredictability of the egg quality. Besides careful selection of the broodstock, the egg quality is principally dependent on broodstock management and nutrition. Nutrition has direct effect on maturation, egg production, and fry survival. To circumvent all these variables an artificial diet was formulated according to the nutritional requirements of Pterophyllum scalare broodstock in the present investigation along with the farming of the fish.
