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Centropyge vrolikii
Care guide, husbandry, breeding, disease, and sourcing intelligence on Half Black Angelfish - written by the Fast Aquatics editorial team.
Half Black Angelfish requires a minimum of 55 gallons for healthy adults. The minimum is based on 4 inches adult size and territorial range. For Half Black Angelfish, plan a mature reef tank with stable parameters, sand bed, live rock for cover, and reef LED if photosynthetic.
The Half Black Angelfish is rated intermediate difficulty on this care sheet. It needs a tank of at least 55 gallons. Adults reach about 4 inches and live 5-10 years. Half Black Angelfish (Centropyge vrolikii) is a intermediate-care saltwater species that thrives in tanks of 55 gallons or larger with stable parameters. Best paired with peaceful tankmates of similar size and water-chemistry needs.
Half Black Angelfish requires standard reef parameters: temperature 76-80°F, specific gravity 1.025, pH 8.1-8.4, alkalinity 8-9 dKH, calcium 420-450 ppm, magnesium 1300-1400 ppm, ammonia + nitrite 0 ppm, nitrate under 10 ppm. Use a refractometer (not hydrometer) to measure salinity.
Half Black Angelfish is a omnivore. Provide a varied diet of pellets, frozen foods, and supplemental greens. Feed twice daily in small portions. Browse our food guides for product recommendations. For Half Black Angelfish, plan a mature reef tank with stable parameters, sand bed, live rock for cover, and reef LED if photosynthetic.
Half Black Angelfish (Centropyge vrolikii) is native to Indo-Pacific reef ecosystems. Wild populations distribute across coral reefs from East Africa through Indonesia, the Philippines, and into the western Pacific. Captive-bred Half Black Angelfish is increasingly available and is the more sustainable choice when you can find it.
Other species in the same category with care profiles on Fast Aquatics. Click any name for the full husbandry breakdown.
Half Black Angelfish taxonomy and care recommendations cross-checked against the following authoritative references and our internal vendor + breeder database.
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