Banded Angelfish
Apolemichthys arcuatus
Saltwater Fish
Species Group: Angel Dwarf
Family: Pomacanthidae
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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 Banded Angelfish
General information
The Banded Angelfish, scientific name Apolemichthys arcuatus, is a marine fish species belonging to the family Pomacanthidae. This species is also commonly known as the Arched Angelfish, Arched Stripe Angelfish, Banded Angel, and Curved Angelfish.
Banded Angelfish can grow up to 10 inches (25 cm) in length and have a highly compressed, oval-shaped body with an arched forehead. They have a yellow to orange-yellow body with black stripes that curve along the body. Juveniles have a different color pattern with a blue-gray body and two white stripes.
Diet & nutrition
In the wild, the Banded Angelfish feeds on a variety of sponges, algae, and tunicates. In captivity, they should be fed a varied diet of high-quality marine meaty foods such as frozen or fresh mysis shrimp, krill, and squid. They may also accept some plant-based foods like spirulina flakes or pellets.
Breeding & spawning
The breeding habits of the Banded Angelfish are not well-known. In the wild, they are reported to spawn during the summer months. It is believed that they form monogamous pairs and lay demersal eggs.
Diseases
Banded Angelfish are generally hardy and not susceptible to diseases if kept in optimal conditions. However, they are susceptible to common saltwater fish diseases such as marine ich and marine velvet.
Origination
The Banded Angelfish is native to the Western Pacific Ocean, including the Great Barrier Reef, Fiji, and New Caledonia.
Cautions
The Banded Angelfish should not be kept with other large angelfish or other aggressive fish as they may be subject to bullying or may become aggressive themselves. They should also not be kept with small invertebrates, as they may prey on them.
Acclimation process
Banded Angelfish should be slowly acclimated to the aquarium water by floating the bag in the aquarium for about 15 minutes to allow the water temperature to equalize. Afterward, the fish should be gradually introduced to the aquarium water over the course of about an hour.
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