Long Spine Urchin - Small

The Black Longspine Urchin is a black urchin with long, thin spines. It is suitable for aggressive fish tanks as an algae controller but requires careful placement and specific care conditions.

• The urchin is sensitive to high copper levels and nitrate levels.
• It can defend itself by directing its spines towards offenders.
• It is venomous, with a sting comparable to a bee sting.