Reeflings

Common name: Oblique Butterflyfish

Scientific name: Prognathodes obliquus (Lubbock & Edwards, 1980)

General Information

The Oblique Butterflyfish, scientifically known as Prognathodes obliquus, is a rare and intriguing species that captivates both hobbyists and marine biologists alike. This species is distinguished by its striking oblique black band that runs diagonally across its body, contrasting sharply with its predominantly yellow and white coloration. Its unique appearance and rarity make it a coveted addition to specialized marine aquariums.

While not commonly found in the pet trade due to its limited distribution and collection challenges, the Oblique Butterflyfish holds significant interest for those dedicated to marine conservation and the study of reef ecosystems. Its presence in aquariums can serve as an educational tool, highlighting the diversity and complexity of coral reef inhabitants.

Details

Recommended minimum volume
300 liter (79 gallons)
Salinity
S.G. 1.023 to 1.026
Temperature
24 to 27 °C (75 to 81 °F)
Acidity
pH 8.1 to 8.4
Average size
15 cm (6″)
Care level
Difficult
Diet
Carnivore Feeds on coral polyps and small invertebrates
Social
Solo
Reefsafe
No
Aggression
Semi aggresive Can be territorial, especially in smaller tanks
Captive bred
No
Conservation status
ExtinctThreatenedLeastConcern

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Ray-finned Fishes
    Actinopterygii
  4. Order
    Perch-like Fishes
    Perciformes
  5. Family
    Butterflyfish
    Chaetodontidae
  6. Genus
    Longnose Butterflyfishes
    Prognathodes Gill, 1862
  7. Species
    Oblique Butterflyfish
    Prognathodes obliquus (Lubbock & Edwards, 1980)
  8. Synonyms
    Chaetodon obliquus Lubbock & Edwards, 1980
  9. Source: GBIF | Global Biodiversity Information Facility

Care

Caring for the Oblique Butterflyfish requires a well-established marine aquarium that mimics its natural reef environment. This species thrives in tanks with ample live rock, providing both hiding spots and grazing surfaces. Due to its rarity and specific care needs, it is best suited for experienced aquarists who can maintain stable water conditions and provide a varied diet.

Diet and Feeding

In the wild, the Oblique Butterflyfish is primarily a corallivore, feeding on coral polyps and small invertebrates. In captivity, replicating this diet can be challenging. Hobbyists should offer a mix of frozen and live foods, including mysis shrimp, brine shrimp, and specialized coral foods. Regular feeding and dietary variety are crucial to maintaining its health and vibrant coloration.

Behavior and Compatibility

The Oblique Butterflyfish is generally peaceful but can be territorial, especially in smaller tanks. It is best kept as a solitary specimen or in a carefully planned community with other non-aggressive species. Due to its corallivorous nature, it is not considered reef-safe and may pose a threat to corals and other sessile invertebrates.

Habitat

Naturally found in the deep reefs of the Indo-Pacific region, the Oblique Butterflyfish inhabits areas with abundant coral growth. Its preference for deeper waters makes it less accessible to collectors, contributing to its rarity in the aquarium trade.