Longspine Urchin

Diadema setosum

Venomous brittle spines; large aquarium required.

Temperature

23.3 – 26.7 °C

pH

8 – 8.4

KH

7 – 12 dKH

Adult size

30.5 cm

Minimum tank

379 L

Temperament

Peaceful

Care

Moderate

• Eats algae