Common name: Masked Angelfish
General information
The Masked Angelfish, scientifically known as Prognathodes guyotensis, is a rare and striking species of butterflyfish. It is highly prized by aquarists for its unique coloration and graceful demeanor. This species is distinguished by its deep blue to black body, accented with a bright yellow to orange mask that covers the face and extends behind the eyes. The contrast of colors makes it a visually captivating addition to any marine aquarium.
Details
- Recommended minimum tank volume
- 200 liter (53 gallons)
- Salinity
- S.G. 1.020 to 1.026
- Temperature
- 22 to 26 °C (72 to 79 °F)
- Acidity
- pH 8.1 to 8.4
- Average size
- 15 cm (6″)
- Care level
- Moderate to easy Prefers strong water flow
- Diet
- Carnivore Enjoys mysis and brine shrimp
- Social
- Pair Pairs are often monogamous
- Reefsafe
- Yes
- Aggression
- Semi aggresive May be territorial
- Captive bred
- No
Taxonomy
- KingdomAnimalsAnimalia
- PhylumChordatesChordata
- ClassRay-finned FishesActinopterygii
- OrderPerch-like FishesPerciformes
- FamilyButterflyfishChaetodontidae
- GenusLongnose ButterflyfishPrognathodes
- SpeciesMasked AngelfishPrognathodes guyotensis (Yamamoto & Tameka, 1982)
- SynonymsChaetodon guyotensis Yamamoto & Tameka, 1982Peterscottia guyotensis (Yamamoto & Tameka in Okamura, Amaoka & Mitani, 1982)
Care
Caring for the Masked Angelfish requires a well-established aquarium with plenty of live rock for grazing and hiding. This species is known for being somewhat shy and may take time to acclimate to a new environment. It is important to provide a varied diet that includes marine algae, spirulina, mysis shrimp, and other high-quality prepared foods to maintain its health and coloration.
Reproduction
In the wild, Prognathodes guyotensis is oviparous, with pairs forming during breeding and engaging in a pelagic spawning behavior. Eggs are released and fertilized in the water column and develop into planktonic larvae. Captive breeding of this species is rare and challenging, but possible with the right conditions and expertise.
Habitat
Prognathodes guyotensis is found in the deep reefs and drop-offs of the Central Pacific, particularly around the Hawaiian Islands and Johnston Atoll. It typically inhabits depths ranging from 60 to over 150 meters, which is deeper than most recreational scuba diving limits. This deep-reef habitat preference makes it a less commonly encountered species in the wild.