The Galaxea spp. (Orange-Rainbow) is a captivating large polyp stony (LPS) coral known for its vibrant orange and iridescent rainbow colours. This medium-sized specimen adds a stunning focal point to mature reef aquariums.
Care Level: Moderate. Galaxea spp. require stable water parameters and consistent maintenance to thrive.
Lighting: Moderate to high lighting is recommended to support healthy growth and vibrant pigmentation. LED or T5 lighting systems are suitable.
Water Flow: Moderate, indirect water flow is ideal to prevent tissue damage while ensuring adequate nutrient exchange.
Placement: Position in the middle to lower regions of the tank, allowing sufficient space from neighbouring corals to avoid aggression. Galaxea corals possess sweeper tentacles that can sting nearby corals, so maintain at least 10cm clearance.
Diet: Primarily photosynthetic via symbiotic zooxanthellae, but will benefit from supplemental feeding of meaty foods such as mysis shrimp or specialised coral foods 1-2 times weekly.
Compatibility: Reef safe with caution. Aggressive tendencies require careful placement away from sensitive species.
Origin: Not Provided.
Maximum Size: Not Provided; typically medium-sized colonies in captivity.
Minimum Tank Size: 75 litres (20 gallons) or larger recommended to maintain stable water conditions.
Regular monitoring of water parameters including calcium, alkalinity, and magnesium is essential for optimal skeletal growth. Avoid rapid changes in lighting or flow to reduce stress.
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