The Red-tailed Butterflyfish or Pakistani Butterflyfish is a beautiful butterfly fish! Though you can often find the Red-tailed Butterflyfish or Pakistani Butterflyfish available for your marine aquarium, it can be a difficult fish to keep. It likes to eat coral polyps! That's a tough food to provide unless you keep a reef, and if you keep a reef, you probably don't want it eaten! For more Information Habitat: Natural geographic location: The Red-tailed Butterflyfish or Pakistani Butterflyfish are found in the Indonesia-Philippines region and certain places in the Indian Ocean including India, Sri Lanka, the Maldive Islands, Pakistan, the Gulf of Oman , and the southeast corner of the Arabian Peninsula. They are generally found between 5 and 10 meters (16 to 33 ft.) deep.