Home / Livestock / Invertebrates / Urchins / Black Longspine Urchin – Diadema setosum You cannot add that amount to the cart — we have 1 in stock and you already have 1 in your cart. View cart Black Longspine Urchin – Diadema setosum$49.95 Black Longspine Urchin – Diadema setosum quantity Add to cart Buy with EAN: 200000020859 SKU: 200000020859 Categories: Invertebrates, Livestock, Urchins Related products Night Crawlers Zoanthid Frag $39.95 Add to cart Orange Zoa $28.95 Add to cart Zoanthids $19.95 Add to cart Zoanthid Frag $19.95 Add to cart