Semicircle angelfish
Pomacanthus semicirculatus
FishMarine
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.
Recommended parameters
| Parameter | Recommended range |
|---|---|
| Temperature | 24–28 |
| pH | 8.1–8.4 |
| GH | 8–12 |
| KH | 8–12 |
| Salinity | 1.02–1.025 |
| NO₃ | ≤ 20 |
| PO₄ | ≤ 0.1 |
Care
Difficulty4/5
Dietomnivore
Min. tank500 L
Min. group1
Adult size35 cm
Lifespan12 ans
Temperamentaggressive
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.