The Acanthastrea pachysepta Splitcolour is a premium large polyp stony (LPS) coral prized for its vivid bi-coloured polyps and substantial size, making it a captivating addition to any mature reef aquarium. This XXL specimen showcases intense, contrasting colours that create a stunning focal point in your marine display.
Care Level: Moderate to Advanced – requires stable water parameters and attentive husbandry.
Lighting Requirements: Moderate lighting is recommended, such as T5 fluorescents or LED systems with adjustable intensity. Avoid intense direct light to prevent bleaching.
Water Flow: Moderate, indirect water movement is ideal to ensure the coral’s polyps can extend fully without damage.
Placement: Position on the substrate or lower to mid-level rockwork with adequate space to prevent aggression towards neighbouring corals. This species can extend sweeper tentacles, so maintain spacing accordingly.
Diet: While photosynthetic, Acanthastrea pachysepta benefits from supplemental feeding with meaty foods such as mysis shrimp, brine shrimp, or specialised coral foods to promote growth and vibrant colouration.
Reef Compatibility: Yes, with adequate spacing. This coral is generally reef safe but can exhibit territorial behaviour.
Origin: Not Provided.
Maximum Size: Up to 15 cm per head in optimal conditions.
Minimum Tank Size: Recommended minimum 90 litres (approximately 20 gallons) to accommodate growth and water quality stability.
Regular monitoring of water parameters, including calcium, alkalinity, and magnesium, is essential to support skeletal growth. Maintain stable temperature (24-26°C), salinity (1.023-1.025 SG), and low nutrient levels to prevent algae overgrowth.



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