Common name: Bank Butterflyfish

General Information

The Bank Butterflyfish, scientifically known as Prognathodes aya, is a striking species found primarily in the western Atlantic Ocean. Known for its distinctive black and white banding and elongated snout, this species is a rare gem in the aquarium trade. Its unique appearance and specialized habitat make it a fascinating subject for both hobbyists and marine biologists.

While not commonly found in home aquariums due to its specific care requirements and rarity, the Bank Butterflyfish is appreciated for its role in marine ecosystems and its contribution to biodiversity. Its presence in public aquariums serves educational purposes, highlighting the diversity of coral reef inhabitants.

Care

Caring for the Bank Butterflyfish can be challenging, as it requires a well-established aquarium with plenty of live rock and hiding spots. This species thrives in environments that closely mimic its natural habitat, with stable water conditions and a variety of coral structures. Due to its specialized diet and sensitivity to water quality, it is recommended for experienced aquarists.

Diet and Feeding

In the wild, the Bank Butterflyfish feeds on small invertebrates and coral polyps. In captivity, it requires a varied diet that includes high-quality marine foods such as mysis shrimp, brine shrimp, and finely chopped seafood. Offering a mix of frozen and live foods can help meet its nutritional needs and encourage natural foraging behaviors.

Behavior and Compatibility

The Bank Butterflyfish is generally peaceful but can be territorial, especially in smaller tanks. It is best kept in a species-specific setup or with other non-aggressive fish. Due to its specialized diet, it is not considered reef-safe, as it may nip at coral polyps and other invertebrates.

Health and Common Issues

Maintaining optimal water quality and a balanced diet is crucial for the health of the Bank Butterflyfish. It is susceptible to common marine diseases such as ich and requires careful monitoring and prompt treatment if symptoms arise. Regular water changes and a stress-free environment can help prevent health issues.

Habitat

The Bank Butterflyfish is native to the western Atlantic, particularly around the Bahamas and the Caribbean. It inhabits coral reefs and rocky areas, often found at depths ranging from 15 to 50 meters. These environments provide the complex structures and diverse food sources that the species relies on.