December 2006 - Photos taken at a hedgehog diadematide Echinothrix calamaris In the House Reef dive during the Sampaguita Resort in Moalboal, Cebu Island, Philippines. In this particular hedgehogs are easily distinguished two different types of spikes: spikes long, thin and very sharp spines alternating with other thick wires and unique bands. Sacco anal in view of light color with light and dark dots.

Latin name: Echinothrix calamaris Common Name: Hedgehog in spines double English name: Double Spined Urchin Photographic equipment used: Sony DSC-W5 digital camera + Sony MPK WA suit