Euphyllia glabrescens (Green) – Large Ultra is a captivating large polyp stony (LPS) coral prized for its long, graceful tentacles and vivid green hues. Often referred to as the ‘Torch Coral’, it adds dynamic movement and colour to mature reef aquariums.
Lighting Requirements: Moderate to high lighting is recommended to maintain vibrant colour and healthy growth. LED or T5 lighting systems that provide a balanced spectrum work well.
Water Flow: Moderate, indirect water flow is ideal to gently sway the tentacles without causing tissue damage. Avoid strong direct currents.
Placement: Position this coral in the middle to lower regions of the aquarium, ensuring it has ample space to extend its tentacles without touching neighbouring corals. Adequate spacing minimises aggression and potential stinging.
Care Level: Moderate. Suitable for aquarists with some experience in LPS coral husbandry.
Diet: Primarily photosynthetic via symbiotic zooxanthellae, but benefits from occasional feeding of meaty foods such as mysis shrimp or specialised coral foods to promote growth and colour.
Reef Compatibility: Yes, with adequate spacing. Euphyllia glabrescens can be aggressive towards nearby corals due to sweeper tentacles.
Minimum Tank Size: 90 litres (20 gallons) or larger to provide stable water parameters and space.
Origin: Not Provided.
Maximum Size: Up to 30 cm (12 inches) in tentacle span under optimal conditions.
Regular water quality monitoring and stable parameters are essential for long-term health. This coral thrives in mature reef systems with stable calcium, alkalinity, and magnesium levels.
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