Acropora carduus is a beautiful small polyp stony (SPS) coral known for its delicate, spiky branches and vibrant colouration, making it a prized addition to mature reef aquariums. This frag form is perfect for hobbyists looking to cultivate a healthy colony over time.
Lighting Requirements: This coral thrives under strong, high-intensity lighting such as metal halide, T5, or high-output LED systems. Aim for PAR levels between 250-400 µmol/m²/s to support optimal photosynthesis.
Water Flow: Moderate to high water flow is essential to keep Acropora carduus healthy. This ensures effective gas exchange, nutrient delivery, and removal of detritus from the coral’s surface.
Placement: Position this coral higher in the aquarium to receive adequate light and flow. Ensure it has sufficient space from neighbouring corals to prevent aggressive interactions, as Acropora species can be sensitive to stinging or overgrowth.
Care Level: Due to its specific requirements, Acropora carduus is best suited for experienced reef keepers familiar with maintaining stable water parameters and strong lighting.
Water Parameters: Maintain stable conditions with temperature between 24-26°C, salinity at 1.025 SG, calcium 400-450 ppm, alkalinity 8-12 dKH, and magnesium 1250-1350 ppm.
Feeding: While primarily photosynthetic, occasional feeding with coral foods such as phytoplankton or specialised SPS coral feeds can support growth and vibrancy.
Origin: Not Provided.
Maximum Size: Typically grows into medium-sized colonies over time, depending on tank conditions.
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