Acropora cytherea is a medium-sized Small Polyp Stony (SPS) coral known for its impressive branching growth and vibrant colouration, making it a popular choice among experienced marine aquarists. This species thrives under stable, high-quality reef conditions and adds dynamic structure to any SPS-dedicated aquarium.
Care Level
Moderate to advanced. Requires stable water parameters and consistent maintenance.
Lighting Requirements
High-intensity lighting is essential, preferably using LED or metal halide systems that simulate natural sunlight. Aim for PAR levels between 250-400 µmol/m²/s to promote healthy photosynthesis.
Water Flow
Strong, turbulent water flow is recommended to prevent detritus accumulation and to support nutrient exchange. Randomised or alternating flow patterns are ideal.
Placement
Position in the upper to mid-levels of the aquarium where lighting and water flow are optimal. Ensure adequate spacing from neighbouring corals to prevent aggression and allow for growth.
Diet
Primarily photosynthetic, relying on symbiotic zooxanthellae. Supplement with occasional feeding of fine particulate foods such as phytoplankton or specialised coral feeds to enhance growth.
Compatibility and Reef Safety
Yes, with adequate spacing. Acropora cytherea is generally reef safe but can exhibit aggressive growth that may overshadow or damage nearby corals if placed too closely.
Additional Notes
Maintain stable water parameters: temperature 24-27°C, salinity 1.025-1.026 SG, calcium 400-450 ppm, alkalinity 8-12 dKH, and magnesium 1250-1350 ppm. Regular water changes and monitoring are essential for long-term health.
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