Zoanthus spp. (Ultra Grade) Extra Large are highly sought-after soft corals prized for their vibrant polyps and ease of care in marine reef aquariums. These corals belong to the genus Zoanthus, commonly known as zoanthids or button polyps, and are popular among hobbyists for their striking colours and patterns.
Care Level: Moderate – suitable for aquarists with some experience in maintaining stable reef conditions.
Lighting Requirements: Moderate to high lighting is recommended to maintain optimal colouration and growth. LED, T5, or metal halide lighting systems are suitable.
Water Flow: Moderate, indirect water flow is ideal to keep polyps open and healthy without causing tissue damage.
Placement: Place in mid to lower areas of the tank where lighting and flow conditions are stable. Ensure adequate spacing from aggressive neighbouring corals to prevent chemical warfare or overgrowth.
Diet: Zoanthids are primarily photosynthetic, relying on symbiotic zooxanthellae algae for nutrition. Supplementary feeding with fine particulate foods such as phytoplankton or specialised coral foods can enhance growth.
Reef Compatibility: Yes, with adequate spacing. Zoanthids are generally reef safe but can release toxins harmful to other corals if stressed or damaged, so careful placement is essential.
Origin: Not Provided – as this listing covers multiple species within the genus.
Maximum Size: Polyps typically reach 1-2 cm in diameter; colony size varies depending on growth and tank conditions.
Minimum Tank Size: 60 litres (15 gallons) recommended to maintain stable water parameters and accommodate growth.
Regular water changes, stable water chemistry, and monitoring of parameters such as alkalinity, calcium, and magnesium will support healthy growth. Avoid sudden changes in lighting or flow to prevent stress.
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