Common name: Gray Angelfish

Scientific name: Pomacanthus arcuatus (Linnaeus, 1758)

General Information

The Gray Angelfish, scientifically known as Pomacanthus arcuatus, is a striking and robust species popular among marine aquarists. Known for its large size and distinctive coloration, this angelfish is a captivating addition to large home aquariums. The Gray Angelfish is easily recognized by its gray body adorned with dark, crescent-shaped bands and a white face, making it a standout in any marine setup.

In the wild, these angelfish are found in the western Atlantic, from Florida and the Bahamas to Brazil, often inhabiting coral reefs and rocky outcrops. They are important members of the reef community, contributing to the control of sponge populations, which they feed on.

Details

Estimated price
Expensive
Recommended minimum tank volume
500 liter (130 gallons)
Salinity
S.G. 1.023 to 1.026
Temperature
24 to 28 °C (75 to 82 °F)
Acidity
pH 8.1 to 8.4
Average size
60 cm (2′)
Care level
Moderate to difficult
Diet
Spongivore Primarily feeds on sponges and tunicates in the wild
Social
Solo Best kept solo or in a pair if tank is large enough
Reefsafe
No Tends to nip at corals and sessile invertebrates
Aggression
Semi aggresive Territorial, especially in smaller tanks
Captive bred
No
IUCN Red List
EX
EW
CR
EN
VU
NT
LC

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Ray-finned Fishes
    Actinopterygii
  4. Order
    Perch-like Fishes
    Perciformes
  5. Family
    Angelfishes
    Pomacanthidae
  6. Genus
    Angelfish
    Pomacanthus
  7. Species
    Gray Angelfish
    Pomacanthus arcuatus (Linnaeus, 1758)
  8. Synonyms
    Chaetodon arcuatus Linnaeus, 1758
    Chaetodon littoricola Poey, 1868
    Chaetodon lutescens Bonnaterre, 1788
    Chaetodon quinquecinctus Cuvier, 1829
    Chetodon lutescens Bonnaterre, 1788
    Pomacanthus baltcatus Cuvier, 1831
    Pomacanthus balteatus Cuvier, 1831
    Pomacanthus cingulatus Cuvier, 1831
    Pomacanthus cinquecinctus Cuvier, 1829
    Pomacanthus quinquecinctus Cuvier, 1831
  9. Source: GBIF | Global Biodiversity Information Facility

Care

Due to their size and dietary needs, Gray Angelfish require a spacious aquarium, ideally over 500 liters, to accommodate their active swimming habits and territorial nature. A well-established tank with plenty of live rock is essential, as it provides both grazing opportunities and hiding spots. Maintaining stable water conditions with efficient filtration is crucial for their health.

Gray Angelfish are not considered reef-safe, as they tend to nip at corals and sessile invertebrates. Therefore, they are best kept in fish-only or carefully planned FOWLR setups.

Diet and Feeding

In their natural habitat, Gray Angelfish are primarily spongivores, feeding on a variety of sponges and tunicates. In captivity, their diet should be supplemented with high-quality angelfish preparations that include marine algae, spirulina, and mysis shrimp. Offering a varied diet will ensure they receive the necessary nutrients and help maintain their vibrant coloration.

Feed them two to three times daily, providing only as much food as they can consume in a few minutes to prevent overfeeding and maintain water quality.

Behavior and Compatibility

Gray Angelfish are semi-aggressive and can exhibit territorial behavior, especially in smaller tanks. They are best housed with other large, robust fish that can hold their own, such as tangs and larger wrasses. Avoid keeping them with smaller, more timid species that may be bullied.

These angelfish are typically solitary or found in pairs in the wild. In captivity, they can be kept solo or in a pair, provided the tank is large enough to accommodate their space needs.

Reproduction

Breeding Gray Angelfish in captivity is challenging and rarely achieved by hobbyists. In the wild, they are known to form pairs and engage in courtship displays, but replicating these conditions in an aquarium setting is difficult. Successful breeding requires a large, well-maintained tank and a lot of patience.

Health and Common Issues

Gray Angelfish can live up to 15 years in captivity with proper care. They are generally hardy but can be susceptible to common marine diseases such as ich and marine velvet. Maintaining optimal water quality and a balanced diet is key to preventing health issues.

When selecting a Gray Angelfish, look for active individuals with clear eyes and smooth, intact fins. Avoid fish that appear lethargic or have visible signs of disease.

Habitat

Gray Angelfish are native to the western Atlantic Ocean, thriving in coral reefs and rocky areas. They prefer warm, tropical waters with plenty of hiding spots and grazing opportunities. In captivity, replicating these conditions with live rock and stable water parameters will help them thrive.