Aquarium Fish

Keyhole Angelfish

posted: 05/15/12
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Keyhole Angelfish
Courtesy of Drs. Foster and Smith
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The Keyhole Angelfish, also referred to as the Tibicen Angelfish or Melas Angelfish, is one of the largest of the Centropyge genus. Somewhat drab when compared to most other angelfish, the Keyhole Angelfish is primarily a dull blue to brownish-blue. The pelvic and lower portion of the anal fins are yellow. The egg-shaped, white vertical bar found in the mid-central body area gives it its name.

Provide a 55 gallon or larger tank for the Keyhole Angelfish. It should have large amounts of live rock for hiding and grazing. It may nip at stony and soft corals (sessile invertebrates) and clam mantles. It will also feed on filamentous algae and diatoms.

It is hermaphroditic, very difficult to breed in an aquarium, and has no distinguishable differences in color between male to female.

Its diet should also include Spirulina, marine algae, high-quality angelfish preparations, mysid or frozen shrimp, and other meaty items. Feed 2-3 times daily.

Fish Facts

Name: Keyhole Angelfish (Centropyge tibicen)

Family: Pomacanthidae

Range: Eastern Indian Ocean, Western Pacific

Size: Up to 8 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: 55 gallon

Light: High

Temperament: Semi-aggressive

Swimming Level: No specific level

Care Level: Moderate

Reproduction: Egg Scatterer

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