Red koi guppies are known for their vibrant red and white colours. Guppies are playful, hardy, and peaceful fish that can tolerate a wide range of water parameters. They're a tropical species and prefer water around 26 degrees C. They'll eat a variety of food including flakes, pellets, and frozen food. Feed them once a day and try keep their diet varied to maintain their health and colouring. Avoid overfeeding them as this can be toxic to fish.