Mirror Butterflyfish
Chaetodon speculum
Saltwater Fish
Species Group: Butterflyfish
Family: Butterflyfish
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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 Mirror Butterflyfish
General information
The Mirror Butterflyfish (Chaetodon speculum) is a small saltwater fish found in the tropical waters of the Indo-Pacific region. They can grow up to 20 cm (8 inches) in length and have a deep, compressed body shape with a bright yellow coloration, black markings, and a reflective blue spot on their dorsal fin. They are commonly found in shallow reefs and lagoons and can be kept in aquariums with appropriate care.
Diet & nutrition
In the wild, Mirror Butterflyfish feed primarily on small invertebrates, crustaceans, and algae. In an aquarium setting, they can be fed a diet consisting of frozen or live brine shrimp, mysis shrimp, krill, and other small meaty foods. It is important to vary their diet to provide them with proper nutrition.
Determining sex
There is no visible difference between males and females in this species.
Breeding & spawning
The breeding and spawning habits of the Mirror Butterflyfish are not well documented, and they have not been successfully bred in captivity.
Diseases
The Mirror Butterflyfish is generally hardy and not prone to many diseases if kept in a suitable environment. However, like all saltwater fish, they are susceptible to common marine diseases such as ich, velvet, and bacterial infections.
Origination
The Mirror Butterflyfish is native to the tropical waters of the Indo-Pacific region, including the Red Sea, the Maldives, and the Great Barrier Reef.
Cautions
The Mirror Butterflyfish is generally a peaceful fish, but they can become territorial and aggressive towards other butterflyfish, especially those of the same species. It is best to keep them in pairs or small groups in a larger aquarium with plenty of hiding spaces and rock structures.
Acclimation process
When introducing the Mirror Butterflyfish to a new aquarium, it is important to acclimate them slowly to prevent shock and stress. This can be done by floating the bag containing the fish in the aquarium water for 15-20 minutes to allow the temperature to equalize, and then adding small amounts of aquarium water to the bag every 10-15 minutes for an hour or more. Once the fish have been acclimated, they can be gently released into the aquarium.
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