Product Description
The juvenile Emperor Angelfish (Pomacanthus imperator) (approximately 5cm) is one of the most sought-after marine aquarium fish, admired for its striking blue and white concentric ring pattern. As it matures, it undergoes one of the most spectacular colour transformations in the marine aquarium hobby, developing vibrant yellow and blue horizontal stripes with an electric blue facial mask.
This species is best suited to experienced marine aquarists due to its eventual adult size and need for a spacious, mature aquarium. Active and intelligent, the Emperor Angelfish thrives in established systems with abundant live rock, caves, and high water quality.
Care Guide
-
Scientific Name: Pomacanthus imperator
-
Common Name: Emperor Angelfish
-
Size Supplied: Approximately 5cm (Juvenile)
-
Care Level: Moderate to Advanced
-
Temperament: Semi-aggressive
-
Diet: Omnivore (marine algae, sponge-based foods, mysis shrimp, krill, clam, and quality marine pellets)
-
Reef Safe: No (may nip at corals, sponges, zoanthids and clam mantles)
-
Minimum Tank Size: 500 litres
-
Water Temperature: 24–27°C
-
pH: 8.1–8.4
-
Salinity: 1.023–1.026 SG
-
Maximum Size: Up to 40cm
Feeding
Offer a varied diet two to three times daily including sponge-based angelfish preparations, marine algae, frozen mysis shrimp, chopped seafood, and premium marine pellets. A diverse diet supports healthy growth and vibrant adult colouration.
Aquarium Setup
Provide a mature marine aquarium with extensive live rock, caves, and open swimming areas. Excellent filtration, strong water movement, and stable water parameters are essential for this species.
Compatibility
Suitable with:
-
Tangs
-
Larger Wrasses
-
Triggerfish (less aggressive species)
-
Foxface Rabbitfish
-
Larger Clownfish
-
Groupers and other robust community fish in suitably sized aquariums
Avoid housing with:
-
Other large angelfish unless the aquarium is exceptionally large
-
Small timid fish that may be bullied
-
Reef aquariums containing valuable corals or clams
The Emperor Angelfish is an iconic centrepiece species, prized for its dramatic juvenile-to-adult colour transformation, intelligence, and commanding presence. With the right aquarium and care, it becomes one of the most rewarding fish in the marine hobby.
