flower horn hump head - 4 inchThis variety of flower horn fish has a distinctive hump on its head and reaches a size of 3 to 4 inches. This unique trait makes it not only a visually appealing addition to any aquarium, but also a great conversation starter for fish enthusiasts. Maintain a water temperature between 80 86F (27 30C). Keep the pH between 6. 0 and 8. 0. Include a powerful filtration system to handle the significant waste produced by these large fish.