Diadema Urchin Reviews

Facts & Details

This useful urchin is nocturnal and can be found grazing algae on the reef.The Diadema urchin is known for its herbivore diet.Diadema urchins do not prey on fish or invertebrates and are generally coral safe but they may graze polyps while in search of algae.This long spined urchins' spines are mildly poisonous and may cause a slight skin reaction in humans if they are stuck by them. Handle with care.