Flowerhorn cichlids are ornamental aquarium fish noted for their vivid colors and the distinctively shaped heads for which they are named. These strawberry flowerhorn Cichlids are a stunning red color that adds to their incredible look. Their head protuberance, or kok, is formally termed a "nuchal hump." Like blood parrot cichlids, they are man-made hybrids that do not exist in nature. First developed in Malaysia and Taiwan, they are now kept by fish hobbyists worldwide. Some critics have questioned the impact of flowerhorn breeding programs because its considered unnatural. Flowerhorn cichlids are usually kept at a water temperature of 80–85 °F, and a pH of 7.4–8.0. They require a tank of a minimum of approximately 20–30 gallons to grow. Being aggressive and territorial, two or more flowerhorns are usually not kept together for their own safety.