Long Spine Urchin
Diadema setosum
Diadema · Black Long Spine
A dramatic urchin with very long, sharp, venomous spines. Extremely effective algae grazers but handle with care — stings are painful. Best for larger tanks where their spines have clearance.
Difficulty Moderate
Reef Safe Caution
Temperament Peaceful
Available Stock
No Long Spine Urchin currently listed across Australian shops.
Search all products →More Urchins
Products link directly to the shop's listing. AussieReefing is not affiliated with these shops.