The Rainbow Urchin, Asthenosoma varium,This urchin is also known as the Radiating Hatpin Urchin, and the spines are long and sharp, constantly moving, and irregularly distributed. These spines are usually banded in orange and white, darkening to red towards the tips. There are radiating rows of electric blue dots that decorate the body. Use extreme caution to avoid contact with this urchin. Must stings comes from accidental contact with the urchin .Medical attention may be necessary if stung by this urchin.