Banded Butterflyfish

Chaetodon striatus

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 Hydrogen

Measuring the acidity or alkalinity of water on a 0–14 scale, where 7 is neutral, 7 is alkaline.

NO3 1-20 ppm Nitrate

While 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 Nitrite

It is a highly toxic, intermediate compound in the nitrogen cycle produced from broken-down ammonia

PO4 0.01 - 0.1 ppm Phosphate

It is essential for plant development but must be managed, as excess levels trigger nuisance algae blooms and inhibit coral calcification.

NH3 <0.1 ppm Ammonia

It is the primary killer of aquarium fish, causing gill damage, stress, and death

Ca 380 - 450 ppm Calcium

Supporting the growth, skeletal structure, and shell formation of corals, mollusks, crustaceans, and coralline algae

KH 8 - 12 dKH Alkalinity

It acts as a shield, neutralizing acids to prevent dangerous pH "crashes" that can harm fish, corals, and plants.

Mg 1200 - 1400 ppm Magnesium

It 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 Salinity

Essential for maintaining stable, natural water parameters, proper osmoregulation, and stress-free environments for marine fish and corals

ORP 250 - 400 mV Oxidation-Reduction Potential

A higher positive mV indicates clean, oxygen-rich water with high water quality, while low readings indicate high pollution.

About Banded Butterflyfish

General information

The Banded Butterflyfish is a popular and easy-to-keep aquarium fish that is native to the western Atlantic Ocean. It has a distinctive appearance with black and white stripes that run vertically along its body, and a yellow-orange coloration on its head and fins. The average size of the species is around 6 inches (15 cm) in length.

Diet & nutrition

In the wild, the Banded Butterflyfish feeds on a variety of small invertebrates, including crustaceans, worms, and mollusks. In captivity, they can be fed a diet of frozen or live foods such as brine shrimp, mysis shrimp, and krill. They may also accept a high-quality pellet or flake food.

Determining sex

There are no visible differences between males and females.

Breeding & spawning

Breeding in captivity is difficult, and successful breeding has only been reported in a few instances. The Banded Butterflyfish is a monogamous species, meaning that they mate for life. Spawning typically occurs during the summer months, and females can lay several hundred eggs at a time. The eggs hatch after about 24 hours, and the fry can be raised on a diet of plankton.

Diseases

The Banded Butterflyfish is susceptible to common aquarium diseases such as ich and marine velvet. It is also prone to developing fungal infections and bacterial infections if the water quality is not properly maintained.

Origination

The Banded Butterflyfish is native to the western Atlantic Ocean, ranging from the coast of Florida to the Caribbean Sea and down to Brazil.

Cautions

The Banded Butterflyfish is generally a peaceful fish and can be kept with other non-aggressive species. However, they may become territorial with members of the same species or other butterflyfish. They should not be kept with aggressive or predatory species.

Acclimation process

It is important to properly acclimate the Banded Butterflyfish to its new aquarium environment to reduce stress and prevent disease. The fish should be gradually introduced to the aquarium water over a period of at least 30 minutes using the drip acclimation method.

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