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Blackwedged Butterflyfish (Chaetodon falcula)

Find Blackwedged Butterflyfish across reef-livestock retailers and from fellow hobbyists on ReefDock. Compare sources, check live pricing where available, and review source-tank parameters on Reef-Trak-verified fish listings before you buy.

Blackwedged Butterflyfish
Photo: Jerome Paillet (IFREMER, Laboratoire d'Océanographie Physique et Spatiale, Centre Bretagne - ZI de la Pointe du Diable - CS 10070 - 29280 Plouzané) · CC BY 4.0
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Where to buy Blackwedged Butterflyfish

ReefDock searches the following reef retailers for this fish. Click through to see the live price.

  • Saltwaterfish

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    Search Saltwaterfish
  • Amazon

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    Search Amazon
  • Petco

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    Search Petco

About Blackwedged Butterflyfish

The Blackwedged Butterflyfish displays a white body with distinctive black markings: a broad black wedge along the leading edge of the dorsal fin, a dark band through the eye, and black coloration on the caudal peduncle. The body is laterally compressed with a small mouth adapted for feeding in crevices.

Key facts

Family
Chaetodontidae
Care Level
Moderate
Aka
Blackwedged Butterflyfish
Common Health Issues
Ich, marine velvet, feeding difficulties, nutritional deficiency
Max Size
5.9
Diet Details
In the aquarium, feed a varied diet of high-quality meaty foods including mysis shrimp, brine shrimp, and finely chopped seafood. Include some vegetable matter and specialized butterflyfish preparations to ensure nutritional completeness.
Temperament
Peaceful
Origin
Indo-Pacific region, including the Philippines, Indonesia, and extending to the Great Barrier Reef and Polynesia.
Care Requirements
• Minimum 75 gallon tank with stable conditions and adequate swimming space • Temperature range 72–78°F (22–26°C) • Salinity 1.020–1.025 SG • Feed 2–3 times daily with varied meaty foods and vegetable matter • Monitor carefully in reef systems; may nip soft corals and crustaceans, particularly at night • Acclimate slowly to new environments and maintain consistent water quality
Diet
omnivore
Feeding Schedule
2-3 times daily
Reef safety
Reef Safe with Caution

Looking for a hobbyist seller?

ReefDock's marketplace lets reef-keepers sell fish directly to other reef-keepers with Stripe-secured checkout and live-arrival photo confirmation. Browse current fish listings on ReefDock, or list your own.

Verify the source tank before you buy

ReefDock is the sister app to Reef Trak. Sellers who maintain a Reef Trak tank log can publish source-tank parameters on eligible fish listings — so you can see the conditions a fish was raised in before you buy. Log this fish on Reef Trak.

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