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Pomacanthus annularis. Both the juvenile and adult are quite pretty, with the juvenile having a dark brownish/bluish body with several white and pale blue bands, with the bands somewhat curved towards the tail, which is completely white. As for the adult, it has a tannish/brownish body, and has several blue horizontal curved lines that extend from the rear of the head to the dorsal and tail fin. There are also two blue stripes that cross the face, one through the eye, with the other just below the eye. Its tail is white and basically, its gets its name from a blue ring that’s located on the upper front of the body.