Also known as the Pacific Pygmy Angel. Its a hardy fish and will do great in the aquarium.The Angelfish family is a group of colorful and elegant fish that are adored by boththe serious and casual observer. These fish are mainly available to the hobbyistunder the Genus Pomacanthus and Centropyge. Pomacanthus Angels are the larger morerobust species. The Centropyge Genus are made up of smaller fish that feed primarilyon algae from the reef surface. The adult Pomacanthus Angels usually have longdorsal and anal fins and a rounded face. The Pomacanthus Angels will change colorquite dramatically from their juvenile stage to adult stage. The Centropyge Angelsare found predominantly in the Indo-Pacific while only a couple of species, like thePygmy and Flameback Angels, are found in the Atlantic and Caribbean. At the sametime, the Pomacanthus Angels dominate the Atlantic and Caribbean while in theIndo-Pacific they are less prominent. The Centropyge Angels do not change colordramatically from their juvenile stage to adult stage. These smaller Angels areoften seen milling around reefs which they use for both shelter and as a foodsource. Angelfish are differentiated from Butterflyfish by the small spine thatextends from the bottom of their rear gill cover.