Euphyllia cristata (Joker) is a captivating large polyp stony (LPS) coral prized for its distinctive tentacle tips that resemble a joker’s colourful appearance. This cultured frag offers hobbyists a chance to add a vibrant and dynamic coral to their reef tanks.
Care Level: Moderate – suitable for aquarists with some experience in LPS coral husbandry.
Lighting Requirements: Moderate lighting is recommended, such as T5, LED, or metal halide systems providing around 100-150 PAR. Avoid intense direct light to prevent bleaching.
Water Flow: Moderate, indirect water flow is ideal to gently sway the tentacles without causing tissue damage.
Placement: Position the frag in the middle to lower regions of the aquarium, ensuring adequate space from neighbouring corals to prevent aggressive interactions due to sweeper tentacles.
Compatibility and Reef Safety: Yes, with adequate spacing. Euphyllia cristata can extend sweeper tentacles that may sting nearby corals, so maintain a minimum distance of 10-15 cm from other sensitive species.
Diet: Primarily photosynthetic via symbiotic zooxanthellae but benefits from occasional feeding of meaty foods such as brine shrimp, mysis shrimp, or specialised coral foods.
Minimum Tank Size: 75 litres (20 gallons) recommended to provide stable water parameters and space for growth.
Origin: Cultured frag, DJM Grown – sustainably propagated in captivity.
Maximum Size: Colonies can grow up to 30 cm (12 inches) in diameter under optimal conditions.
Regular water parameter monitoring and stable conditions will ensure healthy growth and vibrant coloration. Euphyllia cristata (Joker) is a rewarding addition for reef enthusiasts seeking a visually striking LPS coral.
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