Aquarium Fish

Rock Beauty Angelfish

posted: 05/15/12
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Rock Beauty Angelfish
Courtesy of Drs. Foster and Smith
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The Rock Beauty Angelfish has a body that is predominately black especially on the back half, as an adult. The head and front half portion of the body and the caudal fin are a bright yellow. The eyes have striking sapphire-blue accents. Similar in appearance, the juvenile initially has a predominately yellow body with a large caudal black spot that just seems to enlarge, overwhelming, the yellow coloration with the exception of head, body area just behind the head, and the caudal fin.

The Rock Beauty Angelfish is difficult to maintain in a home aquarium because of its dietary requirement of sponges. The diet in the aquarium should include vegetable matter such as marine algae and Spirulina, finely chopped meaty items, and high-quality angelfish preparations containing sponges.

As with other large angelfish, they are generally compatible with: Dwarf Angelfish, Anglers & Frogfish, Anthias, Basslets, Batfish, Blennies, Boxfish, Butterflyfish, Clownfish, Damselfish, Eels, Goatfish, Groupers, Grunts & Sweetlips, Hawkfish, Hogfish, Lionfish & Scorpionfish, Parrotfish, Puffers, Squirrelfish, Tangs & Surgeons and Wrasse.

Fish Facts

Name: Rock Beauty Angelfish (Holacanthus tricolor)

Family: Pomacanthidae

Range: Tropical Western Atlantic

Size: Up to 8 inches

Diet: Omnivore, requires sponges to survive

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: Difficult

Reproduction: Egg Scatterer

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