Euphyllia glabrescens, commonly known as Rapunzel coral, is a captivating large polyp stony (LPS) coral prized for its long, waving tentacles that create a mesmerizing display in marine reef aquariums. This large specimen is perfect for hobbyists seeking to add movement and texture to their reef environment.
Lighting Requirements: Moderate lighting is ideal for Euphyllia glabrescens. It thrives under LED, T5, or metal halide lighting systems that provide a balanced spectrum without excessive intensity.
Water Flow: Moderate, indirect water flow is recommended to gently sway the tentacles without causing damage or excessive retraction.
Placement: Position this coral in a mid to lower area of the tank where it has ample space to extend its tentacles without touching neighbouring corals. Adequate spacing is essential to prevent aggression and stinging interactions.
Care Level: Suitable for intermediate aquarists familiar with LPS coral care. Stable water parameters and regular monitoring will ensure optimal health.
Diet: Primarily photosynthetic via symbiotic zooxanthellae, but benefits from occasional feeding of small meaty foods such as brine shrimp or specialised coral foods.
Reef Compatibility: Yes, with adequate spacing. Euphyllia glabrescens can exhibit aggressive behaviour through sweeper tentacles, so ensure neighbouring corals are placed at a safe distance.
Additional Notes: Maintain stable water chemistry with parameters typical for reef tanks: temperature 24-27°C, salinity 1.023-1.025, calcium 400-450 ppm, alkalinity 8-12 dKH, and magnesium 1250-1350 ppm.



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