Astropyga radiata, commonly called the Radiated Sea Urchin, is a visually captivating invertebrate prized in marine aquariums for its bold pattern and long spines. This Extra Large specimen is suitable for experienced aquarists with established reef or fish-only marine tanks.
Care Level: Moderate to advanced care is recommended due to its specific dietary and environmental needs.
Feeding: Astropyga radiata primarily grazes on algae and detritus. Supplement its diet with dried seaweed (nori), algae wafers, and occasional meaty foods such as mysis shrimp to ensure optimal health.
Compatibility & Reef Safety: Generally reef safe, but caution is advised as the long spines can damage delicate corals or soft-bodied invertebrates. It coexists well with non-aggressive tank mates.
Tank Requirements: A minimum tank size of 120 litres is recommended to provide ample space for movement and grazing. Moderate water flow and stable water parameters are essential. Place the urchin on live rock or sandy substrate where it can forage comfortably.
Origin: Not Provided.
Maximum Size: Up to 15 cm in diameter including spines.
Regular water changes and maintaining calcium and alkalinity levels support healthy spine growth. Avoid sudden changes in water chemistry and ensure the tank is mature with established algae growth to sustain this species.
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