Common name: Pitcairn Angelfish

General Information

The Pitcairn Angelfish, scientifically known as Genicanthus spinus, is a captivating species that has piqued the interest of marine enthusiasts due to its rarity and unique appearance. This species is part of the Genicanthus genus, which is known for its sexually dimorphic traits and peaceful nature. The Pitcairn Angelfish is particularly notable for its limited distribution, primarily found around the Pitcairn Islands, which contributes to its rarity in the aquarium trade.

This angelfish is not commonly seen in home aquariums, largely due to its restricted natural habitat and the challenges associated with its collection and transportation. However, its striking appearance and peaceful temperament make it a desirable addition for advanced hobbyists who can meet its specific care requirements.

Care

Caring for the Pitcairn Angelfish requires attention to detail and a commitment to maintaining pristine water conditions. This species thrives in well-established reef aquariums with plenty of live rock for grazing and hiding. Due to its rarity, it is crucial to provide an environment that closely mimics its natural habitat to reduce stress and promote acclimation.

The Pitcairn Angelfish requires a spacious tank to accommodate its active swimming habits and to provide ample territory. A minimum tank size of 400 liters is recommended to ensure it has enough space to thrive. The tank should be equipped with efficient filtration and stable water parameters to support its health and well-being.

Diet and Feeding

In the wild, the Pitcairn Angelfish primarily feeds on plankton and small invertebrates. In captivity, it should be offered a varied diet that includes high-quality marine pellets, frozen mysis shrimp, and other meaty foods to ensure balanced nutrition. Supplementing its diet with spirulina and marine algae can help enhance its coloration and overall health.

Feeding should occur once or twice daily, with portions adjusted based on the fish's size and activity level. Ensuring a diverse diet will help prevent nutritional deficiencies and keep the fish engaged during feeding.

Behavior and Compatibility

The Pitcairn Angelfish is known for its peaceful demeanor, making it an excellent choice for community reef tanks. It generally coexists well with other non-aggressive species and can be kept with a variety of reef-safe fish and invertebrates.

While it is not known to be aggressive, it is important to monitor its interactions with other fish, particularly other angelfish, to prevent territorial disputes. Providing ample space and hiding spots can help mitigate any potential aggression.

Reproduction

Breeding the Pitcairn Angelfish in captivity is challenging and has not been widely documented. Like other Genicanthus species, it is likely a protogynous hermaphrodite, meaning individuals start life as females and can change to males under certain conditions. Successful breeding would require a well-established pair and a suitable environment that mimics their natural breeding conditions.

Health and Common Issues

Maintaining the health of the Pitcairn Angelfish involves regular monitoring of water quality and ensuring a balanced diet. This species is susceptible to common marine ailments such as ich and marine velvet, so it is important to quarantine new additions and maintain optimal water conditions.

When selecting a Pitcairn Angelfish, look for individuals with vibrant coloration and active swimming behavior. Avoid fish that appear lethargic or have visible signs of disease. Regular health checks and prompt treatment of any illnesses are essential to ensure the longevity and vitality of this rare species.

Habitat

The Pitcairn Angelfish is native to the remote Pitcairn Islands in the South Pacific Ocean. It inhabits coral reefs and rocky outcrops, where it can be found at depths ranging from 20 to 50 meters. The species prefers clear, warm waters with abundant plankton, which supports its dietary needs.

Creating a naturalistic environment in captivity involves replicating these conditions, with stable temperatures and moderate water flow to mimic the gentle currents of its natural habitat.