Aquarium Fish

Emperor Angelfish

posted: 05/15/12
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Emperor Angelfish
Courtesy of Drs. Foster and Smith | Information provided courtesy of PetEducation.com
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The adult Emperor Angelfish, also known as the Imperator Angel, has a bold, blue body covered with bright yellow horizontal stripes culminating in a bright yellow to orange caudal fin. A striking blue-black mask covers the eyes and a similarly-colored vertical band extends from the pectoral fin two-thirds of the way up the body. This band is highlighted in a sapphire-blue in front, and bright yellow, caudally. The mouth is white. The juvenile is black with circular white and blue stripes starting at the tail. Although sought after for its colors, in an aquarium setting, the adult coloration may not be as striking or brilliant, and the color transition from juvenile to adult, may not be complete. Supplementing the diet with vitamins and color-enhancing foods may help.

The Emperor Anglefish requires a 100 gallon or larger tank with live rock for grazing and hiding. It will nip at stony and soft corals (sessile invertebrates) and clam mantles, but may be kept with small-polyped stony corals and somewhat noxious soft corals.

It should be fed a diet of Spirulina, marine algae, high-quality angelfish preparations, mysid or frozen shrimp, and other meaty items.

Fish Facts

Name: Emperor Angelfish (Pomacanthus imperator)

Family: Pomacanthidae

Range: Central, Western Pacific Oceans; Red Sea

Size: Up to 15 inches

Diet: Omnivore

Tank Set-up: Marine: Coral or rock, plants

Reef Compatible: With caution

Tank Conditions: 72-78°F; sg 1.020-1.025; pH 8.1-8.4

Minimum Tank Capacity: 100 gallon

Light: High

Temperament: Semi-aggressive

Swimming Level: No specific level

Care Level: Moderate

Reproduction: Egg Scatterer

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