Pennant coralfish (Heniochus acuminatus) belongs to the family of Apolemichthys arcuatus, is mainly distributed in the Indian Ocean and the Red Sea coral reef waters. They are omnivorous and mild, very easy to feed. They typically reach 25cm in length. It has a very long topline. The body is white with two broad black stripes, and there is a black stripe across the eyes. Generally, the water temperature feeding Pennant coralfish should be between 27-28 degrees. They feed on fish, shrimp, crabs, shellfish, etc. They like to peck at invertebrates such as soft corals and sponges. It is a kind of Apolemichthys arcuatus that is relatively easy to feed. It is suitable for mixing with gentle fish and other similar fish. When it swims, the dorsal fin is beautiful as a flag in the wind.