Half Black Angel (Bleeker, 1853)
| Scientific Name | Centropyge vroliki |
| Diet | Herbivore; algae, sponges, tunicates |
| Alt Common Name | Pearlscale Angel, Namerayakko (Jap. 'smooth valet') |
| Family | Pomacanthidae |
| Origin | Indian and Pacific Oceans |
| Aquarist Level | Intermediate |
| Reef Safe | With Caution |
| Coloration | White with Black marking on the rear half |
| Disposition | Peaceful except with other dwarf angels |
| Hardiness | Moderate |
| Compatibility | Peaceful with other species. Aggressive with own species |
| Mature Size | 4 inches |
| Sexual Dimorphism | Males tend to have brighter coloration. |
Notes: Dwarf angels may nip at soft or hard corals. Caution is advised when adding to a reef aquarium.