Common name: Bandit Angelfish

Scientific name: Apolemichthys arcuatus (Gray, 1831)
Bandit Angelfish on coral reef
Bandit Angelfish also known as Banded Angelfish (Apolemichthys arcuatus) in reef tankBandit Angelfish also known as Banded Angelfish (Apolemichthys arcuatus) in reef tank

General Information

The Bandit Angelfish, scientifically known as Apolemichthys arcuatus, is a striking marine fish known for its unique coloration and elegance. This species is native to the Hawaiian Islands and is a rare gem in the aquarium trade, often sought after by enthusiasts for its distinctive black band that arches over its white body. Its beauty and rarity make it a prized addition for advanced aquarists.

The Bandit Angelfish is not commonly found in the pet trade due to its limited geographic range and specific habitat preferences. It is generally collected at depths ranging from 20 to 70 meters, primarily around the Hawaiian Islands, making it a challenging species to obtain.

Details

Estimated price
Very expensive High price due to rarity and collection difficulty
Recommended minimum tank volume
400 liter (110 gallons)
Salinity
S.G. 1.023 to 1.026
Temperature
22 to 26 °C (72 to 79 °F)
Acidity
pH 8.1 to 8.4
Average size
20 cm (8″)
Care level
Difficult
Diet
Herbivore Feeds on sponges and tunicates; sponge-based foods recommended
Social
Solo Best kept solo due to territorial nature
Reefsafe
Yes May nip at soft corals or small invertebrates
Aggression
Semi aggresive Semi-aggressive, especially towards other angelfish
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
    Apolemichthys
  7. Species
    Bandit Angelfish
    Apolemichthys arcuatus (Gray, 1831)
  8. Synonyms
    Desmoholacanthus arcuatus (Gray, 1831)
    Holacanthus arcuatus Gray, 1831
  9. Source: GBIF | Global Biodiversity Information Facility

Care

Caring for the Bandit Angelfish requires a well-established aquarium with plenty of live rock for grazing and hiding. This species thrives in a stable environment with pristine water quality, as it is sensitive to fluctuations. A tank size of at least 400 liters is recommended to accommodate its swimming needs and territorial behavior.

To create an ideal habitat, aquarists should provide ample rockwork and caves, mimicking the natural crevices found in its native reef environment. This setup not only offers shelter but also encourages natural grazing behavior.

Diet and Feeding

In the wild, the Bandit Angelfish primarily feeds on sponges and tunicates. In captivity, a varied diet is essential to meet its nutritional needs. Offer a mix of high-quality angelfish preparations, including frozen or live sponge-based foods, along with algae and marine-based pellets.

Feeding should occur multiple times daily, ensuring that the fish receives adequate nutrition. Observing the Bandit Angelfish's feeding habits can help in adjusting the diet to its preferences and ensuring its well-being.

Behavior and Compatibility

The Bandit Angelfish is known for its semi-aggressive temperament, especially towards other angelfish or similar species. It is best kept as a solitary specimen unless housed in a very large tank with ample space to establish territories.

This species is considered reef-safe with caution. While it generally does not harm corals, it may nip at soft corals or small invertebrates, so careful monitoring is advised.

Health and Common Issues

With proper care, the Bandit Angelfish can live for several years in captivity. It is crucial to maintain optimal water conditions and provide a balanced diet to prevent common health issues such as nutritional deficiencies and stress-related diseases.

When selecting a Bandit Angelfish, choose individuals that are alert and actively swimming, with no signs of fin damage or discoloration. Regular health checks and quarantine of new additions can help in maintaining a healthy aquarium environment.

Habitat

The Bandit Angelfish is endemic to the Hawaiian Islands, where it inhabits deep coral reefs. It prefers environments with plenty of rocky crevices and ledges, which offer protection and feeding grounds. The species is adapted to cooler water temperatures typically found at greater depths, making it important to replicate these conditions in captivity.

Conservation Status

Currently, the Bandit Angelfish is not listed on the IUCN Red List, but its limited range and specific habitat requirements make it a species of concern. Responsible collection and captive breeding efforts are important to ensure its sustainability in the aquarium trade.