Pin Cushion Urchin

Pin Cushion Urchin (Lytechinus variegatus)
The Pin Cushion Urchin is a small, hardy urchin with short, colorful spines that add texture and movement to your aquarium. Native to Caribbean and Florida reefs, it grazes on algae, biofilm, and detritus, helping maintain clean rockwork and sand. Peaceful and easy to care for, Pin Cushion Urchins thrive in established tanks with stable water conditions and plenty of surfaces to explore. Their compact size and striking appearance make them a charming addition to reef and fish-only setups.

Quick Facts:

• Care Level: Easy
• Temperament: Peaceful
• Maximum Size: ~2–3 inches
• Minimum Tank Size: 20 gallons
• Diet: Herbivore/Omnivore (algae, biofilm, detritus)
• Reef Safe: Yes