Acropora carduus is a captivating small polyp stony (SPS) coral known for its delicate, spiky branches and vibrant hues, making it a prized addition to mature reef aquariums. This medium-sized specimen is perfect for hobbyists seeking to enhance their SPS coral collection with a visually striking and biologically rewarding species.
Care Level
Advanced. Acropora carduus demands stable water parameters and consistent care to maintain optimal health and coloration.
Lighting Requirements
Strong lighting is essential. LED, T5, or metal halide lighting systems that provide intense PAR levels will support healthy growth and vibrant colours.
Water Flow
Moderate to high water flow is recommended to ensure adequate gas exchange and to prevent detritus accumulation on the coral’s surface.
Placement
Position this coral in the upper to middle regions of the aquarium where it can receive ample light and water movement. Ensure adequate spacing from neighbouring corals to prevent aggression and tissue damage.
Diet
Primarily photosynthetic, relying on symbiotic zooxanthellae, but benefits from occasional feeding of fine particulate foods such as phytoplankton or specialised coral foods.
Reef Compatibility
Yes, with adequate spacing. Careful placement is necessary to avoid stinging interactions with other corals.
Additional Notes
Maintain stable water parameters with low nutrients and consistent calcium, alkalinity, and magnesium levels to support skeletal growth. Regular monitoring and water changes are advised.
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