Asfur Angelfish - Pomocanthus asfur

Juvenile

$299.99

$299.99 $0.00

Asfur Angelfish - Pomocanthus asfur

Angelfish Reef Safe Caution

$299.99

$299.99 $0.00

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Goes well with:

Diet

Green Seaweed

Soft Spirulina

TDO Chroma BOOST

R.O.E.

Arcti-Pods

Easy Masstick

Min Tank Size 250 gallons

Temperament Semi-aggressive

Reef Safe With Caution

Care & Diet Feeding, nutrition, and best practices.

Diet Type: Omnivore

Asfur Angelfish are omnivorous, requiring a varied diet to meet their nutritional needs. A balanced diet should include high-quality angelfish pellets or flakes, supplemented with live or frozen foods such as brine shrimp, mysis shrimp, and krill. Additionally, they benefit from marine algae and spirulina to support their immune system and enhance coloration. Feeding should occur 2-3 times daily in small amounts to prevent overfeeding and ensure all food is consumed, maintaining water quality.

Algae Flakes Pellets Mysis

Behavior Temperament, activity level, and interactions.

Temperament: Semi-aggressive

The Asfur Angelfish, Pomacanthus asfur, exhibits a semi-aggressive temperament and can display territorial behavior, particularly in smaller aquariums. It is known for its bold and sometimes solitary nature, often establishing its territory within the tank. This species is not considered reef safe due to its tendency to nip at corals and sessile invertebrates. Asfur Angelfish require ample swimming space and are best housed in a tank of at least 250 gallons to accommodate their potential size of up to 16 inches. They are generally more compatible with other large, semi-aggressive fish species, but care should be taken to avoid housing them with smaller, more passive fish which they may harass. When introducing them to a community tank, it is advisable to do so after other fish have established themselves to reduce aggressive tendencies. The Asfur Angelfish is an omnivore, thriving on a varied diet that includes sponge-based foods, algae, clams, and shrimp, which supports their vibrant coloration and overall health.

Tank & Aquascape Tank requirements and aquascaping tips.

Min Tank Size: 250 gallons
Max Size: 16 inches
Care Level: Moderate
Origin: Red Sea

Compatibility Tank mates, aggression, and introduction order.

Temperament: Semi-aggressive
Reef Safe: With Caution

Angelfish Not Reef Safe Omnivore

Reef & Health Reef safety, common issues, and prevention.

Reef Safe: With Caution
Care Level: Moderate

FAQs Answers to the most common questions.

How can I distinguish a juvenile Asfur Angelfish from similar species like the Maculosus and Koran angels, so I don’t buy the wrong fish for my Red Sea–themed tank?

Juvenile Asfur Angels (Pomacanthus asfur) have a deep, almost “stubby” body with a very dark navy base, a broad, bright yellow vertical band mid‑body, and a solid yellow tail. The band is sharper and cleaner than in Maculosus juveniles, which tend to have more irregular band edges and a paler body. As they mature, Asfurs develop a mostly dark blue to purple body, a distinctly triangular yellow patch on the rear half of the body that extends into the caudal peduncle, and a bright yellow tail; Maculosus adults show more extensive yellow and scattered spotting, while Koran Angels (Pomacanthus semicirculatus) lose their juvenile rings and take on greenish scaling with blue margins, not the clear, bold yellow patch of the Asfur. Also, Asfurs are almost exclusively collected from the Red Sea and nearby, so verifying collection location can help confirm ID.

What is the minimum practical tank size and aquascape layout for a single adult Asfur Angelfish so it maintains normal swimming and grazing behavior without becoming excessively aggressive?

For a single adult Asfur Angel, the practical minimum is a 180‑gallon tank (6 feet in length) with heavy, stable rockwork and multiple caves and archways. This species grows to about 10–12 inches and uses the entire water column, but especially appreciates vertical structures that mimic steep reef walls. Arrange rock in two main “bommies” or islands with open sand in the middle to create clear territories and swimming lanes. Include several shaded overhangs and tight crevices so the fish can retreat when stressed. Taller tanks (24–30 inches high) help them feel secure. In smaller or sparsely aquascaped tanks, Asfurs tend to become more territorial and may relentlessly chase tankmates, so rock density and line‑of‑sight breaks are almost as important as volume.

How “reef safe” is an Asfur Angelfish in terms of specific coral types and invertebrates, and what livestock is at the highest risk?

sfur Angels are best described as “reef risky.” They are less likely to constantly graze SPS polyps than some other large angels, but they are very inclined to nip fleshy corals and sessile invertebrates. Highest risk includes: fleshy LPS like Trachyphyllia, Scolymia, Lobophyllia, Acanthastrea, open brains, and Euphyllia; zoanthids and palythoas; clam mantles (Tridacna spp.), which are almost always targeted; and most soft corals such as Xenia and some leathers. Lower, but still real, risk: many SPS (Acropora, Montipora, Seriatopora) and robust leathers (Sarcophyton, Sinularia). Snails, hermits, and cleaner shrimp are usually safe once established, but tiny decorative shrimp can be picked off. An Asfur may behave well for months then suddenly start sampling corals, so anyone keeping prized colonies or clams should plan as if it is not fully reef safe.

What feeding strategy and diet variety does an Asfur Angelfish need long term to maintain its intense coloration and avoid head‑and‑lateral‑line erosion (HLLE)?

Asfurs need a mixed, algae‑rich omnivore diet with very consistent feeding. Offer multiple small meals daily rather than one large feeding. Key components: high‑quality large‑angel or marine omnivore pellets with added marine algae and sponges; frozen angel formulas that contain sponge matter, mysis shrimp, krill, and marine algae; sheets of nori (red and green) clipped in the tank several times a week; and occasional treats like clam or mussel on the half shell and enriched brine shrimp for variety, not as staples. Soak dry foods periodically in vitamins (e.g., vitamin C and HUFA supplements) to reduce HLLE risk. Provide some natural algal growth on live rock by not keeping the tank overly sterile. Stable water quality, low dissolved organics, and avoiding carbon dust (rinse carbon thoroughly) also help prevent HLLE and maintain deep blue and yellow coloration.

How should I introduce an Asfur Angelfish into a community of other medium–large fish (tangs, other angels, wrasses) to minimize aggression, and are there any stocking order rules specific to this species?

Asfurs can be very territorial once settled, so introduction timing and order are important. Ideally, add the Asfur after more peaceful but similarly robust tankmates (like most tangs and larger fairy or flasher wrasses) have already established themselves but before the most aggressive species. Avoid mixing with other Pomacanthus angels of similar color or shape unless in an exceptionally large tank (300+ gallons) with complex rockwork. When adding an Asfur to an existing community: rearrange some rock to break territories; use an acclimation box for several days so residents can see but not attack the newcomer; and feed slightly heavier during the first week to diffuse tension. If the Asfur is already dominant and you want to add new fish, reverse the acclimation box strategy by putting the Asfur in the box for a few days while new fish orient. Watch for persistent chasing that continues beyond a short “pecking order” phase; in that case, removal or rehoming might be necessary, as a determined Asfur can seriously injure more passive tankmates.

The Asfur Angelfish (Pomacanthus asfur), also known as the Arabian Angelfish or Crescent Angelfish, is a spectacular large marine angelfish prized for its dramatic adult coloration. Mature specimens display a deep blue to blue-violet body contrasted by a brilliant yellow tail and a bold yellow crescent-shaped band across the side. Juveniles have the classic dark body and curved blue-and-white striping seen in several Pomacanthus angelfish before transforming into their striking adult pattern.

Native to the western Indian Ocean, the Asfur Angelfish occurs throughout the Red Sea and Gulf of Aden and extends south along East Africa to Zanzibar. In nature, it inhabits coral-rich inshore reefs and feeds heavily on sponges and tunicates. Adults can reach approximately 16 inches, making this a substantial saltwater fish best suited to large, mature marine aquariums with extensive rockwork and generous swimming room.

Bold, intelligent, and highly visible, the Asfur makes an impressive centerpiece in a large fish-only aquarium or carefully planned reef aquarium. Like other large Pomacanthus species, it develops a confident, territorial personality as it matures and requires both adequate space and thoughtful tankmate selection.

Quick Care Guide

Care Level: Moderate
Minimum Tank Size: 250 gallons
Temperament: Semi-aggressive
Diet: Omnivore
Reef Safe: With Caution
Region: Red Sea, Gulf of Aden, and western Indian Ocean south to Zanzibar
Scientific Name: Pomacanthus asfur

The generous aquarium recommendation reflects the species' approximately 16-inch maximum adult size and the substantial swimming and territorial space required by large Pomacanthus angelfish.

Tank Requirements

Provide a large, well-established aquarium with substantial live rock arranged into caves, overhangs, and protected retreats while preserving long stretches of open swimming space. A spacious tank footprint is especially important as the fish matures.

Rockwork should be secure and offer multiple visual barriers, which can help reduce territorial interactions with tankmates. Mature live rock also provides natural surfaces for grazing throughout the day. No specialized substrate is required, although sand or fine gravel can be used according to the needs of the overall system.

Moderate to strong circulation, robust filtration, efficient protein skimming, and consistent maintenance are appropriate for this large, active marine aquarium fish. While the Asfur Angelfish is not especially known as a habitual jumper, a secure aquarium cover is still recommended for a fully enclosed marine display.

Diet and Feeding

In the wild, adult Asfur Angelfish feed primarily on sponges and tunicates. Captive specimens should therefore receive a diverse diet rather than relying exclusively on standard pellets or meaty foods.

Offer high-quality marine angelfish preparations containing sponge material along with mysis shrimp, enriched brine shrimp, chopped clam, mussel, shrimp, squid, and quality marine pellets or frozen blends. Spirulina-based foods and marine algae can also be incorporated to provide additional plant material and dietary variety.

Feeding two to three smaller meals per day is preferable when practical. A varied, nutrient-rich diet is especially important during acclimation and helps support long-term condition and coloration.

Temperament and Tankmates

The Asfur Angelfish is best described as semi-aggressive. Established adults can become assertive and territorial, particularly toward other large assertive and territorial, particularly toward other large angelfish and fish with similar body shapes or feeding habits.

Aggression toward its own species can be severe, and P. asfur should normally be maintained singly unless a proven compatible pair is being housed in an exceptionally large aquarium.

Suitable tankmates include appropriately sized tangs, rabbitfish, wrasses, triggers, larger butterflyfish, and other robust community species that are unlikely to be intimidated. Very timid fish may be poor companions for a dominant adult. Mixing multiple large angelfish requires considerably more space, extensive rockwork, and careful introduction planning.

Reef Compatibility

Reef safe with caution. The Asfur Angelfish should not be considered reliably reef safe. Large Pomacanthus angelfish may investigate or nip sessile invertebrates, and individual behavior can vary considerably.

Fleshy LPS corals, soft corals, zoanthids, clams, and other sessile invertebrates may be at risk. Well-established SPS-dominated displays may sometimes experience fewer problems, but no coral should be assumed completely safe with this species.

It is generally a better fit for a large fish-only-with-live-rock aquarium when complete coral and invertebrate safety is a priority.

Water Parameters

Temperature: 75–80°F
Specific Gravity: 1.024–1.026
pH: 8.1–8.4
Alkalinity: 8–12 dKH

Stable, well-oxygenated water and consistent husbandry are more important than attempting to maintain any single parameter at an exact number. Avoid rapid changes in temperature, salinity, or pH, particularly during acclimation.

Common Considerations

Large adult size: This species can reach approximately 16 inches and require at least a 250 gallon aquarium for long-term housing.
Territorial behavior: Adults can be assertive, and aggression is especially likely toward other Asfur Angelfish or similar large angels.
Specialized dietary needs: Include sponge-based marine angelfish foods in a varied diet rather than feeding only shrimp, pellets, or other conventional aquarium foods.
Reef compatibility varies: Coral and clam nipping is possible, so reef placement should always be approached with caution.
Provide mature rockwork: Caves, grazing surfaces, and visual barriers hep the fish acclimate and establish a secure territory.