Long Spine Urchin Live Reef Safe Saltwater Invertebrate for Marine Reef Aquarium

⭐ Product Overview

The Long Spine Urchin (Diadema setosum) is a striking and functional invertebrate valued for its jet-black body, long needle-like spines, and excellent algae-eating capabilities. This peaceful grazer plays an important role in reef ecosystems by helping control algae growth and maintaining a balanced environment. It also adds dramatic visual appeal with its impressive appearance and natural behavior.

✨ Key Features and Benefits

• Powerful algae grazer that helps keep reefs clean

• Striking black body with long, thin spines

• Peaceful and reef safe with corals and most fish

• Natural contributor to biodiversity and tank balance

• Active species that adds unique movement to aquariums

📦 What’s Included

• 1x Live Long Spine Urchin (Diadema setosum)

⚡ How to Use

Acclimate slowly using the drip method. Place in a reef aquarium with live rock and stable parameters. Provide sufficient algae growth or supplemental feeding with dried seaweed if natural food is scarce.

💡 Handling Tip

Handle with extreme caution. The spines are very sharp and can break easily. Always use tools or containers to move the urchin rather than direct contact.

🔎 Specimen Details

• Species: Diadema setosum

• Common Name: Long Spine Urchin

• Origin: Indo-Pacific

• Temperament: Peaceful

• Reef Safe: Yes

• Feeding: Primarily algae (may accept supplemental seaweed)

• Difficulty Level: Moderate (requires stable reef conditions)

• Average Size: Varies, typically 3–5 inches body diameter with long spines

🚚 Shipping Policy

We ship Monday through Wednesday via UPS or FedEx Overnight to ensure safe arrival. All livestock is packaged with thermal insulation and cold/heat packs as needed.

💀 DOA Policy

In the rare event of DOA (Dead on Arrival), clear photos must be submitted in the unopened bag within 2 hours of delivery. Refunds or replacements are issued at our discretion. Shipping costs are non-refundable.

✅ Conclusion

The Long Spine Urchin (Diadema setosum) is both a stunning and practical addition to reef aquariums. With its algae-eating efficiency and dramatic appearance, it provides both beauty and function, making it an excellent choice for aquarists who want a thriving, balanced marine ecosystem.