The Euphyllia yaeyamaensis (Orange-Yellow) is a captivating large polyp stony (LPS) coral prized for its vibrant orange-yellow tentacles and unique branching structure. This species adds dynamic movement and colour to mature reef aquariums, making it a favourite among experienced hobbyists.
Lighting Requirements: Moderate to high lighting is recommended to maintain optimal colour and health. LED, T5, or metal halide lighting systems are suitable, but avoid sudden intense light exposure to prevent bleaching.
Water Flow: Moderate, indirect water flow is ideal. Strong direct currents can damage the delicate polyps, while too little flow may lead to detritus accumulation.
Placement: Position this coral in the middle to lower regions of the tank where it can extend its tentacles freely without touching neighbouring corals. Adequate spacing is essential to prevent aggression and stinging interactions.
Care Level: Intermediate to advanced. Euphyllia yaeyamaensis requires stable water parameters and consistent maintenance to thrive.
Diet: Primarily photosynthetic via symbiotic zooxanthellae, but benefits from occasional feeding of meaty foods such as brine shrimp, mysis shrimp, or specialised coral foods to promote growth and vibrancy.
Reef Compatibility: Yes, with adequate spacing. This coral can extend sweeper tentacles that may sting nearby corals, so careful placement is necessary.
Minimum Tank Size: 90 litres (approximately 20 gallons) or larger to provide sufficient space and stable water conditions.
Origin: Not Provided.
Maximum Size: Large colonies can reach up to 30 cm in diameter under optimal conditions.
Regular monitoring of water quality, including calcium, alkalinity, and magnesium levels, is essential to support skeletal growth. Maintain stable temperature (24-26°C), salinity (1.023-1.025 SG), and low nutrient levels for best results.
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