Diadema antillarum, commonly known as the long-spined sea urchin, is a popular invertebrate for marine aquariums due to its excellent algae grazing capabilities. This small specimen is ideal for controlling nuisance algae in reef tanks while adding natural biodiversity.
Care Level: Moderate care is required to maintain stable water parameters and provide adequate nutrition.
Diet: Primarily herbivorous, feeding on algae and biofilm. Supplement with dried seaweed or specialised urchin foods if natural algae is insufficient.
Compatibility: Reef safe and generally peaceful, but caution is advised around slow-moving or delicate invertebrates due to its long spines.
Tank Requirements: Minimum tank size of 75 litres recommended to provide ample grazing area and stable water conditions.
Water Flow & Lighting: Moderate water flow and standard reef lighting are suitable.
Placement: Place on live rock or substrate where it can graze freely without risk of falling or injury.
Additional Notes: Handle with care to avoid spine injury. Ensure tank is mature with established algae growth for best health.
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