Emperor Angelfish
Pomacanthus imperator
What you need to keep a Emperor Angelfish
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Seachem Reef Carbonate
From R161Sizes
Seachem Ammonia Alert
R267
Seachem Reef Iron
From R162Sizes
Seachem Reef Phosphorus
From R162Sizes
pH
8–8.4
Temperature
24–27 °C
Where to buy
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Overview
What to know before you buy.
Famous for its dramatic shift from a juvenile (black/white/blue spiral) to an adult (yellow/blue stripes). This large angelfish requires a massive tank and excellent care.
Key traits
Care guide
Keeping Emperor Angelfish healthy in a South African setup.
Tank setup
Size the aquarium to Emperor Angelfish's adult size and activity level. Use robust décor and sight breaks so each fish can hold its own space.
Water parameters
Keep pH 8–8.4 and 24–27°C. Stable parameters matter more than chasing perfect numbers; acclimate new arrivals slowly.
Feeding
Omnivore. Feed small amounts it clears in a couple of minutes, and vary the diet.
Behaviour
Semi-aggressive. Watch it at feeding time and at lights-out to see its real temperament in your tank.
Tankmates
Choose robust tankmates of similar size, and nothing small enough to be eaten. Add Emperor Angelfish last so territories reset.
Breeding
Breeding success with Emperor Angelfish depends on the line and water chemistry; ask your shop about proven pairs.
Community photos
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Market intelligence
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Price history — last 90 days
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