Copperband Butterflyfish
Chelmon rostratus
Saltwater Fish
Species Group: Butterflyfish
Family: Chaetodontidae
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Water parameters
Temp
76-80 F
Temperature
Maintaining a stable and appropriate temperature is critical for the survival of aquatic life.
pH 7.8 - 8.4 potential of HydrogenMeasuring the acidity or alkalinity of water on a 0–14 scale, where 7 is neutral, 7 is alkaline.
NO3 1-20 ppm NitrateWhile less toxic than ammonia, high nitrate levels (above 40–80 ppm) are important to monitor because they can cause fish stress, stunted growth, and harmful algae blooms.
NO2 <0.0001 ppm NitriteIt is a highly toxic, intermediate compound in the nitrogen cycle produced from broken-down ammonia
PO4 0.01 - 0.1 ppm PhosphateIt is essential for plant development but must be managed, as excess levels trigger nuisance algae blooms and inhibit coral calcification.
NH3 <0.1 ppm AmmoniaIt is the primary killer of aquarium fish, causing gill damage, stress, and death
Ca 380 - 450 ppm CalciumSupporting the growth, skeletal structure, and shell formation of corals, mollusks, crustaceans, and coralline algae
KH 8 - 12 dKH AlkalinityIt acts as a shield, neutralizing acids to prevent dangerous pH "crashes" that can harm fish, corals, and plants.
Mg 1200 - 1400 ppm MagnesiumIt enables coral growth by supporting skeletal formation, assists in metabolic processes, and ensures that calcium is available for corals, clams, and coralline algae.
SG 1.023 - 1.026 SG SalinityEssential for maintaining stable, natural water parameters, proper osmoregulation, and stress-free environments for marine fish and corals
ORP 250 - 400 mV Oxidation-Reduction PotentialA higher positive mV indicates clean, oxygen-rich water with high water quality, while low readings indicate high pollution.
About Copperband Butterflyfish
General information
The Copperband Butterflyfish (Chelmon rostratus) is a popular saltwater aquarium fish that belongs to the family Chaetodontidae. It has a thin, elongated body with a pointed snout and a distinctive orange stripe that runs from its mouth to the base of its tail. The rest of its body is white, with thin black stripes and a yellow-orange dorsal fin. The Copperband Butterflyfish can grow up to 8 inches in length and is relatively peaceful, making it a good addition to a community aquarium with other non-aggressive fish.
Diet & nutrition
In the wild, the Copperband Butterflyfish feeds on a diet of small invertebrates, including worms, crustaceans, and coral polyps. In an aquarium setting, it is important to provide a varied diet that includes meaty foods such as shrimp, squid, and chopped clams, as well as marine algae and other vegetable matter. The Copperband Butterflyfish may also eat small snails and worms found on live rock.
Determining sex
It is difficult to distinguish between male and female Copperband Butterflyfish visually.
Diseases
Copperband Butterflyfish are generally hardy and disease-resistant, but they may be susceptible to common marine diseases such as ich, marine velvet, and bacterial infections. It is important to maintain high water quality and provide a healthy, varied diet to prevent disease.
Origination
The Copperband Butterflyfish is found in the Western Pacific Ocean, from the eastern coast of Africa to the western coast of the Americas, including the Red Sea, Micronesia, and Polynesia.
Cautions
The Copperband Butterflyfish is generally peaceful, but may become aggressive towards other members of its own species or similar-looking fish. It may also nip at the tentacles of anemones and other sessile invertebrates, making it unsuitable for reef aquariums with these types of animals.
Acclimation process
The Copperband Butterflyfish should be acclimated slowly to its new environment to prevent stress and shock. This can be done by floating the fish in its transport bag in the aquarium for about 20-30 minutes to allow it to adjust to the water temperature. After this, small amounts of aquarium water should be added to the bag every 10-15 minutes until the bag is full. The fish can then be carefully released into the aquarium.
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