Queen angelfish, scientific name main thorn cover fish, body length 30 ~ 38 cm, body slightly tall and oval, back contour slightly prominent, head back above the eyes straight, blunt and small snout, orbital bone broad protrusion, not free, anterior gill cap posterior edge and lower edge with weak serrations, with a long spine, smooth gill cap hind edge.
The body is covered with medium round scales with several subscales, the head has villous scales, the cheeks and odd fins have small scales, the dorsal fin is flattened at the posterior end of the soft strip of the fin, the ventral fin is pointed, and the caudal fin is blunt and rounded.
The Queen Angelfish is found in the Indo-Pacific Region, from East Africa to the central and eastern Pacific Ocean, and the pattern species is found in Japan.
The mouth is milky white, there is a black ring band between the eyes, and the chest is black. The body is golden yellow, the whole body is covered with blue longitudinal stripes, and the blue base color is arranged horizontally with 15 to 25 yellow stripes, and there is a large black spot above the base of the pectoral fin. Healthy adult fish will have a beautiful blue color in their blue part. There is a blue pattern on the fin.
Prefers to inhabit cave dwellings in turbulent promontories or cliff faces, omnivorous, feeding on sponges, attachments and algae. As ornamental fish, it has no economic value for consumption.