A series of six experiments was conducted to study the superior quality of aqua-feeds.The aquatic animal, including tiger shrimp, white shrimp, grouper, cobia and silverperch, was used in this research. This study comprises different scopes includingdevelopment of broodstock diets for white-leg and tiger shrimp, dietary feedingattractants for grouper, the utilities of dieraty carbohydrate derived from algae for tigershrimp, and the dietary energy for growth and body compositions of silver perch.