New Dawn Aquaculture  |  SKU: QM-1100537

Emperor Angelfish

Regular price $249.99
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Pomacanthus imperator

The Emperor Angelfish is a true showpiece, famous for one of the most dramatic colour transformations in the marine hobby. Its bold personality, deliberate swimming style, and changing pattern make it a fish that becomes the visual anchor of a carefully planned display.

Care at a glance

  • Care level: Moderate to advanced
  • Temperament: Semi-aggressive
  • Reef compatibility: Not recommended
  • Suggested aquarium: 220 gallons or larger
  • Water: 23–26°C, specific gravity 1.023–1.026, pH 8.1–8.4
  • Diet: Omnivore

Ideal aquarium

A long, mature aquarium with excellent filtration, high oxygen, open swimming room, and substantial rockwork is essential. Build large caves and swim-throughs while keeping plenty of unobstructed space. Stable conditions matter more than chasing a perfect number.

Feeding

Use a varied menu that includes sponge-based angelfish foods, marine algae, enriched frozen seafood, and quality pellets. Feed more than once daily and watch that timid tankmates are not displaced at mealtime.

Compatibility

Emperor Angels are often most territorial toward other large angelfish. Choose sturdy, confident tankmates and avoid very timid fish that may be intimidated by an active showpiece.

Good to know: Sponges, clams, tube worms, and corals may be sampled or eaten. The cheek spines can snag in mesh, so careful container-based handling is preferable to netting.

Our Water Parameters

  • Temperature: 24-26 °C (75-78 °F)
  • Salinity: 1.026 SG, 35 ppt
  • PH: 8.1-8.4
  • Ammonia: 0 ppm
  • Nitrite: 0 ppb
  • Nitrate: 3-15ppm
  • Phosphate: 0.03-0.15 ppm
  • Alkalinity: 8 dKH
  • Calcium: 440 ppm
  • Magnesium: 1320 ppm

Acclimation

Temperature Match

Place the sealed bag containing the fish or invertebrate into your tank. Allow it to float for 15-20 minutes to gradually equalize the temperature between the bag and your aquarium. This step minimizes stress caused by sudden temperature changes.

Drip Acclimation

Set up a drip acclimation system by using airline tubing. Start a slow siphon from your tank into the bag or bucket containing the fish or invertebrate, allowing water to drip slowly. Acclimate over a period of approximately 30 minutes, gradually increasing the volume of tank water to match salinity and other water parameters.

Check Salinity

Use a refractometer to measure the salinity in the bag or acclimation container. Ensure the salinity matches your tank’s salinity before transferring the fish or invertebrate. Matching salinity helps reduce stress and prevents shock when introducing new animals.

Release Fish/Invert

Gently transfer the fish or invertebrate into the tank, avoiding netting them if possible to reduce physical stress. Allow the animal to swim out on its own if transferring from a container. Discard the acclimation water, as it may contain contaminants.

How We Pack Livestock

At New Dawn Aquaculture, we take every step to ensure your marine life arrives alive and thriving!

Carefully Packed for a Safe Journey
  • Livestock is hand-packed in sealed oxygen-filled bags with fresh saltwater.
  • Insulated coolers with heat or ice packs keep conditions stable, regardless of weather.
  • Built to handle up to 48 hours in transit.
Fast Delivery, Every Time

We ship FedEx Priority Overnight so your marine life arrives the next day, reducing stress and maximizing health.

Our Promise

Healthy, vibrant marine life delivered to your door, guaranteed. Shop with peace of mind—your aquarium deserves the best!

Arrive Alive Guarantee Policy

Every shipped livestock order is covered by our Arrive Alive Guarantee. Report any issue within 48 hours of delivery so our team can review the claim and make it right. Read the full Arrive Alive Guarantee

Reefkeeper reviews

5 Based on 3 reviews
5/5 Shayna Lee Verified buyer
Emperor Angela Fish

My wife surprised me with a juvenile Emperor and he is stunning. Great quality fish, healthy, and was eating same day she brought him home. Always a great experience dealing with New Dawn!

5/5 jenna b

Eating like a champ, super healthy beautiful fish!

5/5 Jenna Blanchette

Eating like a champ, super healthy beautiful fish!

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New Dawn is built around aquacultured coral, captive-bred marine life, and clear farm-backed care guidance from a real coral farm. Alongside the livestock we grow, we carry reef products and essentials that reflect the systems, husbandry standards, and day-to-day practices behind the farm itself.

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