Reef Butterfly - Caribbean

Chaetodon sedentarius

(0 Reviews)

Reef Butterfly - Caribbean

Reef Butterfly - Caribbean

Chaetodon sedentarius

(0 Reviews)

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Reef Butterfly - Caribbean Care Facts

Care Level: Easy
Temperament: Peaceful
Diet: Omnivore
Reef Safe: No
Minimum Tank Size: 75 gallons
Max Size: 6 inches

The Reef Butterflyfish is a beautiful fish, and with its bold and bright color, it makes a captivating addition to any tank. It is mostly peaceful in nature thus should not be housed with aggressive or predatory fishes. If you are finding difficulty in feeding them, you can entice the Reef Butterfly with live brine shrimps; and later can be continued with mysis shrimp and frozen carnivore preparations at least three times a day. The Reef Butterfly is mostly active during day time, and seeks for shelter at night. Lots of rock work and caves have been proved beneficial for its overall growth. It grows up to 6 inches in the wild and needs to be kept in a tank not less than 75 gallons. The Reef Butterfly thrives well in a temperature range of 72-78 degrees Fahrenheit and pH of 8.1-8.4. This Butterfly may nip on corals or invertebrates present in the tank that is why it is not considered reef safe.


The Reef Butterfly (Chaetodon sedentarius)


The Reef Butterfly is a fascinating addition to saltwater marine aquariums, renowned for its vibrant coloration and graceful movements. This species is widespread among marine enthusiasts due to its striking appearance and relatively manageable care requirements.


Habitat of Reef Butterfly


Originating from the Western Atlantic, the Reef Butterfly is commonly found in shallow reef environments, particularly around Florida, the Bahamas, and the Caribbean. It prefers areas with abundant coral growth, and clear, warm waters characterize its natural habitat.


Reef Safety


The Reef Butterfly is generally not considered reef-safe, making it an ideal choice for FOWLR aquariums. It tends to nip at coral polyps but does not exhibit destructive behavior towards coral structures. However, monitoring its behavior and compatibility with other tank inhabitants is crucial.


Size and Lifespan


This species typically reaches 5 to 6 inches in length, making it suitable for moderately sized aquariums. In captivity, with proper care, Reef Butterflies can live up to 5 to 7 years, providing long-term enjoyment for hobbyists.


Diet in Captivity


Maintaining a proper diet is essential for the well-being of the Reef Butterfly. In captivity, they thrive on a varied diet that includes high-quality flake or pellet food, supplemented with frozen or live foods such as brine and mysis shrimp. Regular feeding at least twice daily ensures their nutritional needs are met.


Aquaculture and Availability


The Reef Butterfly is not widely aquacultured, making wild-caught specimens the primary source for enthusiasts. However, their availability may vary, and it's advisable to source them from reputable suppliers like to ensure the health and quality of the specimen.




When considering tankmates for the Reef Butterfly, choosing species that share similar water parameter requirements and exhibit non-aggressive behavior is essential. Compatible tankmates include:


Sexual Dimorphism


Sexual dimorphism in the Reef Butterfly is not easily discernible visually. To reliably determine the gender, observing courtship and spawning behaviors may be necessary, which can be challenging in a home aquarium setting.


Juvenile to Adult Coloration Changes


Juvenile Reef Butterflies exhibit a more subdued coloration, with a predominantly yellow body adorned with dark stripes. As they mature, their coloration intensifies, showcasing a vibrant yellow, black, and white pattern that adds a spectacular visual appeal to the aquarium.




The Reef Butterfly is generally peaceful but may exhibit territorial behavior, especially during feeding. Introducing them to the aquarium last to minimize territorial disputes with existing tank inhabitants is advisable.


Tank Requirements


To ensure the well-being of the Reef Butterfly, a minimum aquarium size of 75 gallons is recommended. This provides ample space for swimming and establishes territories. Maintaining stable water conditions is crucial, with the following parameters:

  • pH: 8.1-8.4
  • Salinity: 1.023-1.025
  • Water Temperature: 74-78°F
  • Water Flow: Moderate to high

Other Common Names


The Reef Butterfly is known by various names, including the Caribbean Reef Butterflyfish and the Threadfin Butterflyfish.


Why Purchase from stands out as a reliable source for Reef Butterflies due to its commitment to quality, ethical practices, and customer satisfaction. With a reputation for providing healthy and well-acclimated marine specimens, ensures that hobbyists receive vibrant and thriving Reef Butterflies for their aquariums.


In Conclusion


The Reef Butterfly is an alluring species suitable for saltwater marine aquariums. With proper care, a compatible tank environment, and sourcing from reputable suppliers like, enthusiasts can enjoy the beauty and grace of this species in their home aquariums.

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