Table of contents : Introduction; Basic Concepts and Methodology; Digestive Physiology of Fish and Shrimp; Dietary Energy Utilization and Metabolic; Integration; Proteins and Amino Acids; Lipids; Carbohydrates and Fiber; Minerals; Vitamins; Feed Additives; Antinutritional Factors and Adventitious Toxins in Feeds; Digestibility and Availability; Nutrient Delivery and Feeding Practices; Larval Nutrition; Ingredients, Formulation and Processing; Replacement of Marine Resources: Effect of Alternative Ingredients and Strategies on Nutritional Quality; Critical Research Needs; Nutrient Requirements Tables; Feed Composition Tables; Common and Scientific Names of Species Discussed in this Report