The white point hanging can grow up, its maximum body length can reach 26cm. The body of the white-spotted fish is brown or reddish on the whole. There are two wide white vertical bands on the sides of the fish body, and there are many small white dots on the back half of the fish body. Its tail handle spine is tawny.

The white dots live in the clear sea-facing coral reef area. The water depth is 0— Waters between 6 meters, usually live in large groups in surge areas, feeding mainly on silk algae and calcium algae.