Semicircle angelfish

Pomacanthus semicirculatus

Family : Pomacanthidae

FishMarineangelfish

Large angelfish with blue and yellow colors and a semicircular pattern. Less known than the emperor but equally beautiful.

Semicircle angelfish — photo 1 sur 4
Stan Shebs · Wikimedia Commons · CC BY-SA 3.01 / 4
Popularity
Advanced marine fish
large tank + demanding parameters
Availability
Specialty only
Shop availability
IUCN Status
LC
Least Concern
Biotope
Indo-Pacific+1
Récifs coralliens de l'océan Indien et Pacifique tropical.

Description

The semicircle angelfish grows up to 35 cm. Juveniles are dark blue with white and blue stripes. Adults have a bright blue body with yellow stripes and a characteristic semicircular spot on the flank. The dorsal fin is yellow. It is a territorial and aggressive fish towards other angelfish. It is sensitive to diseases. It reproduces by spawning pelagic eggs.

Habitat

Region :

The semicircle angelfish lives in coral reefs, often in areas with strong current. Juveniles hide in crevices. Adults are solitary and territorial. They feed on sponges, algae, and tunicates.

Distribution :

Recommended parameters

Temperature2428 °C
pH8.18.4
GH812 °dGH
KH812 °dKH
Salinity1.021.025
NO₃
≤ 20 mg/L
PO₄
≤ 0.1 mg/L
Calcium
≥ 400 ppm
Magnesium
≥ 1200 ppm

Care

Difficulty
4/5
Diet
Omnivore
Min. tank
500 L
Min. group
1
Adult size
35 cm
Lifespan
12 years
Temperament
Aggressive
Propagation
Ovipare, ponte pélagique. Les œufs sont libérés dans la colonne d'eau. Éclosion après 24-36 heures.

Care notes

Temperature 24-28°C, pH 8.1-8.4, salinity 1.020-1.025. Minimum tank size 500 liters. Omnivorous: sponges, algae, mysis, brine shrimp. Compatible with robust fish. Avoid other angelfish and shy fish. Requires a varied diet. Captive breeding rare.

Similar species

Espèces proches, même habitat ou même maintenance

References