The Acanthastrea pachysepta (Splitcolour) is a captivating large polyp stony (LPS) coral known for its striking dual-colour polyps that add vivid contrast and texture to any marine aquarium. This medium-sized specimen is perfect for hobbyists looking to enhance their reef display with a coral that combines visual appeal and moderate care requirements.
Care Level: Moderate care is recommended. This coral thrives best in stable reef conditions and is suitable for aquarists with some experience in LPS coral husbandry.
Lighting Requirements: Moderate lighting is ideal, such as LED or T5 fixtures providing PAR levels between 50-150. Avoid intense direct light to prevent bleaching.
Water Flow: Moderate, indirect water flow is preferred to ensure the coral’s polyps can extend fully without being damaged by strong currents.
Placement: Position the coral on the substrate or lower to middle sections of the rockwork to balance light exposure and flow. Ensure adequate spacing from neighbouring corals to prevent aggressive interactions.
Diet: While photosynthetic, Acanthastrea pachysepta benefits from supplemental feeding of meaty foods such as mysis shrimp, brine shrimp, or specialised coral foods 1-2 times per week to promote growth and vibrant colouration.
Reef Compatibility: Yes, with adequate spacing. This coral can coexist peacefully with other LPS and SPS corals but requires room to expand its fleshy polyps.
Origin: Not Provided.
Maximum Size: Medium-sized colonies typically reach up to 15cm in diameter under optimal conditions.
Minimum Tank Size: A minimum of 75 litres (20 gallons) is recommended to maintain stable water parameters and accommodate growth.
Regular water quality monitoring and stable parameters are essential for the health of this coral. Maintain temperature between 24-27°C, salinity at 1.023-1.025 SG, and stable alkalinity and calcium levels.



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