Chaetodon Falcula | Size M

Falcula Butterflyfish (Chaetodon falcula) – Elegant Contrast with a Bold Fin Accent

The Falcula Butterflyfish is a refined and eye-catching species known for its crisp contrast and distinctive dorsal fin marking. With its clean white body, bold black accents, and bright yellow highlights, Chaetodon falcula offers a striking yet elegant presence in marine aquariums. It’s a great choice for aquarists seeking something visually unique within the butterflyfish family.

Clean Patterns with a Signature “Sickle” Mark

This species is easily recognized by its pearly white body crossed with fine diagonal striping and a strong black band through the eye. Its most defining feature is the large black patch on the rear dorsal fin, often edged with yellow, giving it a “sickle” or falcula-like appearance. A yellow tail and subtle highlights complete its high-contrast look.

Peaceful but Slightly Reserved

Falcula Butterflyfish are generally peaceful and do well in community aquariums with other non-aggressive species. They can be somewhat shy at first, especially during acclimation, but tend to become more confident over time. Best results are achieved when housed with calm tank mates and provided with plenty of hiding spots.

Feeding and Care

This species can be a bit more delicate than hardier butterflyfish like C. kleinii, but with proper care, it adapts well. In the wild, it feeds on coral polyps and small invertebrates, so initial feeding may require patience. Offer a varied diet including frozen mysis shrimp, brine shrimp, finely chopped seafood, and high-quality prepared foods.

A mature aquarium with stable water parameters and plenty of live rock will help encourage natural feeding behavior and long-term success.

Reef Tank Considerations

Falcula Butterflyfish are not reef safe, as they are likely to nip at both soft and stony corals. They may also pick at sessile invertebrates. For this reason, they are best suited to fish-only systems or carefully managed aquariums where coral damage is not an issue.

A Unique Addition for Thoughtful Aquarists

With its distinctive dorsal marking and elegant coloration, Chaetodon falcula stands out even among butterflyfish. While it may require a bit more attention during acclimation, it rewards aquarists with graceful behavior and a truly unique visual presence.

Quick Specifications

Care Level: Moderate
Temperament: Peaceful
Diet: Omnivore
Reef Safe: No
Minimum Tank Size: 250 liters (65 gallons)
Origin: Indian Ocean

The Falcula Butterflyfish combines subtle beauty with bold detail, making it a sophisticated choice for marine aquariums focused on contrast and character.