Reef to Rainforest: Discovering Tropical Species, Places, Nature

Halfblack Angelfish

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Centropyge vrolikii - (Bleeker, 1853)
Halfblack Angelfish

A commendable beginner's angelfish, durable and with interesting behaviors. Scott W. Michael

[edit] Overview

With subtle coloration highlighted by bright-orange eyeliner, this is an attractive fish and one of the more durable ­smaller angels.

Its color is mimicked by the Chocolate Surgeonfish (Acanthurus pyroferus) and it will commonly hybridize with several other pygmy angel species.

As a first angelfish, it provides all the captivating behaviors of its family without being hard to keep.

Family: Pomacanthidae

Other common name(s):

  • Pearlscale Angelfish

Native range:

Habitat: Reef, coral rubble zones and/or sandy lagoon areas with macroalgae. Provide plenty of places where it can hide.

Maximum length: 12 cm (5 in)

Minimum aquarium size: 209 L (55 gal)

Water: Marine 24 °C (297 K, 75 °F) - 28 °C (301 K, 82 °F)

General swimming level: All levels, usually near substrate.

[edit] Feeding

Omnivore. Feed a variety of meaty and algae-based foods at least twice a day—perhaps less where lots of algae growth is present.

[edit] Aquarium Compatibility

This fish is not overly pugnacious, but has been known to chastise newly added fishes that are smaller or more mild-mannered. If you plan to keep it with these types of fishes, add the angel to the tank last and be sure there are plenty of places for it to hide. The Halfblack Angelfish can be kept in pairs, or if the tank is large enough (e.g., 180 gallons [684 L]), it is possible to keep a group.

[edit] Breeding/Propagation

Egg scatterers that produce pelagic eggs, often in midwater mating rituals. Both eggs and larvae that drift with plankton in the water column and settle back onto a reef at about the time of metamorphosis. These are among the most challenging types of marine fishes to propagate in captivity.

[edit] Notes

It is imperative to keep only one male, as they will fight incessantly. Males tend to be larger than females. It is not a great risk to corals, but like many in the genus may go astray and begin nipping at xeniid soft corals, large-polyped stony corals and clam mantles.

Reference: 101 Best Saltwater Fishes
Image credit: SWM
Text credit: SWM
Facts about Halfblack AngelfishRDF feed
Common name Halfblack Angelfish  +, and Pearlscale Angelfish  +
Family Pomacanthidae  +
Genus Centropyge  +
Image credit SWM  +
Maximum length 5 in  +
Minimum aquarium size 55 gal  +
Native range Eastern Indian Ocean  +, Western Pacific  +, and Tonga  +
Reference 101 Best Saltwater Fishes  +
Specific name vrolikii  +
Swimming level All levels, usually near substrate.  +
Text credit SWM  +
Water max temp 301 K (28 °C, 82 °F)  +
Water min temp 297 K (24 °C, 75 °F)  +
Water type Marine  +