Black Red Oscar (Grade A+)Name: Oscar (Astronotus ocellatus) Max Size: Up to 12 14 inches Water Parameters: pH 6. 5 7. 5, temperature 74 81F, hardness 5 20 dGH Diet: Carnivorous enjoys a varied diet including high quality pellets, flakes, and live or frozen foods like bloodworms, brine shrimp, and small fish. They also benefit from the occasional addition of fruits and vegetables. Temperament: Semi aggressive and territorial, especially when mature or during breeding. Best