Tripneustes ventricosus, commonly known as the West Indian Sea Egg, is a large sea urchin species prized in marine aquariums for its effective algae grazing and reef-safe nature. This invertebrate is a valuable addition to reef and fish-only systems, helping to maintain algae control naturally.
Care Level: Easy to moderate. This species is hardy but requires stable water conditions.
Diet: Primarily herbivorous, feeding on various types of algae. Supplement with dried seaweed or specialised invertebrate foods if natural algae is insufficient.
Compatibility: Reef safe and generally peaceful. Avoid housing with aggressive fish or invertebrates that may harm the urchin.
Tank Requirements: Minimum tank size of 75 litres recommended to provide adequate space and stable water parameters. Moderate water flow is preferred to mimic natural habitats.
Placement: Place on live rock or sandy substrate where it can graze freely. Ensure the aquarium has ample algae growth or provide supplemental feeding.
Lighting: Standard marine aquarium lighting is sufficient; no special requirements.
Origin: Western Atlantic, including Caribbean regions.
Maximum Size: Up to 15 cm in diameter.
Regular water quality monitoring and stable marine conditions will ensure the health and longevity of your Tripneustes ventricosus. This species contributes to a balanced ecosystem and is a visually striking addition to any marine aquarium.



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