Feed management in breeding Oscar ornamental fish ( Astronotus ocellatus ) is crucial for healthy fry and efficient production. Proper feed strategy supports rapid growth, disease resistance, and uniform size among juveniles. Feed types and schedules: Broodstock: Provide high-quality, protein-rich diets (40–45% crude protein) including pellets, frozen live foods, and occasional fresh fish or shrimp. Feed 2–3 times daily, adjusting quantities to maintain condition without overfeeding. Oscar (depositphotos.com) Fry and fingerlings: Start with live or newly hatched Artemia and microworms for first 1–2 weeks. Gradually transition to finely ground commercial micro-pellets or crumble diets (45–55% protein) by 2–4 weeks. Frequency should be 4–6 small feedings per day for fry, reducing to 3–4 as they grow. Feed quantity and monitoring: Use 3–5% body weight per day for growing juveniles, adjusted based on water temperature, activity, and observed appetite. For fry, feed to satiation during shor...