<strong>Part 1: Nutritional requirements and dietary formulation.</strong> Nutrient classes and energy metabolism. Nutritional requirements. Dietary ingredients and feed formulation. Nutrient interactions and fish health. Fish nutrition - concluding summary. <strong>Part 2: Physiological</strong> <strong>energetics: feeding, metabolism and growth.</strong> Introduction to energetics. Ingestion, absorption and excretion. Respiration and metabolism. Production and growth. Environmental factors and growth. Biotic factors and growth performance. Bioenergetics - concluding summary. <strong>Part 3: Environmental tolerances and preferences.</strong> Environmental tolerances. Temperature. Dissolved gases. Pollutants and toxic chemicals. Environmental stressors. Adaptations to the environment - concluding summary.