Black Longspine Urchin

Diadema Urchins are commonly found in shallow coral reefs, rocky areas, seagrass beds, and other marine environments in the Indo-Pacific. It prefers clear, warm waters with good water quality. herbivorous sea urchin, primarily feeding on algae and seagrasses. Its grazing activities can help control the growth of algae on coral reefs, contributing to the overall health of the ecosystem. Urchins may disturb substrate and other tank inhabitants. It's essential to avoid using copper-based treatments in a tank with sea urchins, as it can harm them. Always follow the recommended guidelines for medication use in marine aquariums.

Diadema setosum are also known as Black Longspine Urchins. Somewhat commonly seen in the aquarium trade. As the common name suggests, these sea urchins are generally black in color. However, the exact shade of black can vary, and some individuals may have slightly lighter or darker variations. They can grow up to 12".

Water conditions: Salinity 1.023 - 1.025 Temp (F) 72 - 78, pH 8.1 - 8.4, Hardness 8 - 12 dKH