Diadema savignyi is a species of long-spined sea urchin prized in the marine aquarium hobby for its elegant appearance and algae grazing capabilities. This small-sized specimen is suitable for established reef tanks where it can contribute to natural algae control.
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 invertebrate foods if natural algae is insufficient.
Compatibility: Generally reef safe, but care should be taken with slow-moving or delicate coral species as the urchin’s long spines can cause accidental damage. Compatible with most peaceful reef inhabitants.
Tank Requirements: Minimum tank size of 75 litres is recommended to provide sufficient space and stable water conditions. Moderate to strong water flow is preferred to mimic natural habitats.
Placement: Place on live rock or substrate where it can graze freely. Avoid placing near aggressive tank mates or areas with strong direct current that may dislodge it.
Additional Notes: Handle with care due to sharp spines. Ensure the aquarium is mature with stable water chemistry before introducing this species.
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