Galaxea spp. are large polyp stony (LPS) corals belonging to the family Oculinidae, prized for their distinctive star-like polyps and vibrant colours. This medium-sized specimen is suitable for marine reef tanks maintained by aquarists with some experience in coral husbandry.
Lighting: Moderate lighting is recommended to support healthy photosynthesis without causing stress. LED or T5 lighting systems with a PAR range of approximately 100-150 µmol/m²/s are ideal.
Water Flow: Moderate, indirect water flow helps keep the coral clean and promotes polyp extension while preventing tissue damage. Avoid strong direct currents.
Placement: Position Galaxea spp. on stable rockwork with adequate spacing from neighbouring corals to prevent aggressive interactions. They possess sweeper tentacles that can sting nearby corals, so maintain at least 10-15 cm distance.
Diet: Primarily photosynthetic via symbiotic zooxanthellae, but benefit from supplemental feeding of planktonic foods such as phytoplankton, zooplankton, or specialised coral foods 1-2 times per week.
Compatibility and Reef Safety: Reef safe with caution; Galaxea spp. can be aggressive towards other corals due to sweeper tentacles. Suitable for mixed reef tanks with careful coral placement.
Care Level: Moderate. Requires stable water parameters and attentive husbandry.
Water Parameters: Maintain temperature 24-27°C, salinity 1.023-1.025, pH 8.1-8.4, and stable alkalinity and calcium levels.
Origin and Size: Origin not provided. Medium size suitable for established reef tanks.
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