Long Spine Urchin

The Black Longspine Urchin is a striking addition to aggressive aquariums, featuring a predominantly black body with distinctive long, thin spines and a red eyespot. This nocturnal invertebrate excels at controlling algae growth while remaining safe from predatory fish due to its venomous spine defense. It requires ample hiding spaces, excellent water quality, and sensitivity to copper-based treatments and high nitrate levels. Supplement its natural algae diet with dried seaweed for optimal health.