Saltwater Aquariums – Copperband Butterfly (Chelmon rostratus)

Quick Stats:

• Care Level: Moderate
• Temperament: Peaceful
• Diet: Carnivore
• Reef Safe: With Caution
• Minimum Tank Size: 120 gallons
• Max Size: 8 inches
• Water Parameters: Temperature: 72-78°F, pH: 8.1-8.4, Salinity: 1.020-1.025, Ammonia/Nitrite: 0, Nitrate: <30ppm

Comprehensive Guide: Copperband Butterfly (Chelmon rostratus)

Habitat

The Copperband Butterfly is native to the Indo-Pacific region and is commonly found in coral reefs and lagoons.

Reef Safe

The Copperband Butterfly is generally considered reef-safe with caution. While they are known to eat small ornamental shrimp and some types of coral polyps, they can be kept in a reef tank if well-fed.

Size

The Copperband Butterfly can reach a maximum size of about 8 inches.

Temperament

These fish have a peaceful temperament and can usually coexist with other non-aggressive tankmates.

Sexual Dimorphism

There are no distinct visual differences between males and females of this species.

Lifespan

The average lifespan of a Copperband Butterfly in captivity is around 5-7 years, although some individuals have been known to live longer with proper care.

Diet in Aquariums

Copperband Butterflies are carnivores that feed on small crustaceans and worms in the wild. In captivity, they should be offered a varied diet that includes high-quality frozen or live foods such as brine shrimp, mysis shrimp, and chopped seafood. It is important to ensure they receive enough food to prevent them from picking at corals or other tank inhabitants.

Aquascaping Recommendations

Providing plenty of live rock with hiding places and open swimming areas is ideal for the Copperband Butterfly. They appreciate a well-established aquarium with ample hiding spots to reduce stress.

Captive Bred Availability

The Copperband Butterfly is not commonly available as captive-bred specimens. Most individuals found in the aquarium trade are wild-caught.

Compatibility with Other Tankmates

The Copperband Butterfly can be compatible with other peaceful fish species, but caution should be exercised when selecting tankmates. Avoid aggressive or territorial fish that may harass or outcompete the Copperband Butterfly for food. Some suitable tankmates for the Copperband Butterfly include:

1. Clownfish – They are peaceful and can coexist well with the Copperband Butterfly.
2. Gobies – These small, bottom-dwelling fish make good tankmates as they generally have peaceful temperaments.
3. Firefish – They are known for their peaceful nature and vibrant colors, making them a good choice for a community tank.
4. Cardinalfish – These schooling fish are peaceful and can add visual interest to the aquarium.
5. Wrasses – Some species of wrasses can be compatible with the Copperband Butterfly, but compatibility should be carefully researched.

Other Common Names

The Copperband Butterfly is also known as the Beaked Coralfish or Orange Stripe Butterflyfish.

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Popular Questions and Answers:

Q: Can the Copperband Butterfly be kept in a reef tank?

A: The Copperband Butterfly can be kept in a reef tank with caution. They may nip at small ornamental shrimp and certain types of coral polyps, so providing them with a well-fed diet is important to minimize this behavior.

Q: How often should I feed my Copperband Butterfly?

A: It is recommended to feed your Copperband Butterfly small amounts of food multiple times a day. Offer a variety of high-quality frozen or live foods to ensure a balanced diet.

Q: Can the Copperband Butterfly be kept alone?

A: While the Copperband Butterfly can be kept as a solitary fish, they generally do better in the presence of other peaceful tankmates. They are social animals and may become stressed if kept alone.

Q: What is the ideal water temperature for the Copperband Butterfly?

A: The Copperband Butterfly prefers a water temperature between 72-78°F (22-26°C).

Q: How can I encourage my Copperband Butterfly to eat in captivity?

A: Some Copperband Butterflies can be initially finicky eaters. To encourage them to eat, try offering live or frozen foods that resemble their natural prey. Patience and persistence are key in acclimating them to aquarium foods.