Acan coral
Acanthastrea hillae
Acanthastrea hillae forms massive or encrusting colonies with fleshy polyps. Colors range from green to red, blue and purple. Each polyp has a central mouth surrounded by short tentacles. It is an aggressive coral that can extend mesenterial filaments to attack neighbors. It feeds mainly through photosynthesis but accepts meaty foods. Growth is moderate. It is highly prized for its bright colors and hardiness.
Recommended parameters
| Parameter | Recommended range |
|---|---|
| Temperature | 24–27 |
| pH | 8.1–8.4 |
| GH | 8–12 |
| KH | 8–12 |
| Salinity | 1.023–1.025 |
| NO₃ | ≤ 10 |
| PO₄ | ≤ 0.1 |
Care
Care notes
Maintain temperature 24-27°C, pH 8.1-8.4, salinity 1.023-1.025. Moderate lighting (PAR 100-200) and moderate flow. A minimum tank size of 100 liters is recommended. Feed meaty foods (mysis, brine shrimp) 1-2 times per week. Nitrate levels should be <10 ppm, phosphate <0.1 ppm. Calcium 400-450 mg/L, magnesium 1200-1350 mg/L. Avoid placing too close to other corals as it can sting. Stable water parameters are essential.