Blue Stripe Butterflyfish
Chaetodon fremblii
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 Blue Stripe Butterflyfish
General information
The Blue Stripe Butterflyfish (Chaetodon fremblii) is a popular species of marine fish among aquarists. They are known for their distinctive blue stripes on their body and a yellow tail. They are native to the Indo-Pacific region and can grow up to 8 inches (20 cm) in length. The Blue Stripe Butterflyfish is a peaceful fish, and it is recommended to keep them in pairs or small groups.
Diet & nutrition
In the wild, the Blue Stripe Butterflyfish feeds on small invertebrates and plankton. In captivity, they can be fed a varied diet of frozen or live foods such as brine shrimp, mysis shrimp, krill, and chopped seafood. It is also recommended to provide them with algae-based foods, such as seaweed, as a source of fiber.
Breeding & spawning
Breeding the Blue Stripe Butterflyfish in captivity is rare. In the wild, they form monogamous pairs and spawn during the summer months. The eggs are pelagic and will hatch within a day. The larvae will then float in the water column and feed on plankton until they are large enough to settle on the bottom.
Diseases
Blue Stripe Butterflyfish are susceptible to the same diseases as other marine fish, including bacterial infections, parasitic infestations, and fungal infections. It is important to maintain good water quality and provide a varied and balanced diet to prevent diseases.
Origination
The Blue Stripe Butterflyfish is native to the Indo-Pacific region, from the Red Sea to the western Pacific Ocean.
Cautions
The Blue Stripe Butterflyfish is generally a peaceful species, but they may become aggressive towards other butterflyfish or similar species. It is important to provide them with enough space and hiding places to reduce aggression.
Acclimation process
When introducing a Blue Stripe Butterflyfish to a new aquarium, it is important to acclimate them slowly to prevent shock. Float the bag containing the fish in the aquarium water for at least 15 minutes to allow the temperature to equalize. Then, gradually add small amounts of aquarium water to the bag every few minutes until the bag is full. The fish can then be released into the aquarium.
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