Redtail butterflyfish (Chaetodon collare)

General data
- Main name: Redtail butterflyfish
- Local names: Brown butterflyfish, Pakistani butterflyfish
- Climates: Tropical
- Habitat: Saltwater
- Native: Africa, Asia, Australia & Oceania
- Distribution: Pacific Ocean, Indian ocean
Classification
- Genus: Chaetodon - Chaetodon
- Family: Chaetodontidae - Butterflyfishes
- Order: Acanthuriformes - Surgeonfishes
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes
Description
The red-tailed butterflyfish (Chaetodon collare), also known as the brown butterflyfish, Pakistani butterflyfish or redtail butterflyfish , is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It can be found in reefs of the Indo-west Pacific region: from the Persian Gulf and Maldives to Japan, the Philippines and Indonesia. It usually swims at depths of between 3 and 15 m. It can grow to 18 cm (over 7 in) in length. The red-tailed butterflyfish is brown to black, with lighter scales giving it a spotted appearance. It has a prominent, vertical white streak behind the eyes, a dark stripe over the eyes, and another, smaller white stripe in front of the eyes. The base of the tail is bright red, followed by a black stripe. The tip of the tail is diffuse white. In the wild, its diet consists of coral polyps. In captivity, it is a carnivore, taking fish meat and shrimp.