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The Queen Angelfish is one of the most striking of all angelfish. Vibrant yellow and electric sapphire-blue highlights give the Queen Angelfish an almost iridescent appearance. It has a dark spot on the forehead surrounded by bright blue. The dorsal and pelvic fins are elongated.

With the potential of reaching an impressive 18 inches, the Queen Angelfish needs a large tank — at a minimum of 150 gallons, with lots of hiding places and live rock for grazing. Not a good reef dweller, the Queen Angelfish is prone to nip at stony and soft corals (sessile invertebrates) and clam mantles. It can be aggressive, so it must be introduced to the community tank last. A somewhat difficult angelfish to keep, Queen Angelfish often suffer from incorrect water parameters and diet.

The diet should include Spirulina, marine algae, high-quality angelfish preparations, mysid or frozen shrimp, and other meaty items. The Queen Angelfish should be fed at least three times daily.