Echinothrix calamaris

Information:
Phylum: ECHINODERMATA
Order: DIADEMATOIDA
Class: ECHINOIDEA
Family: DIADEMATIDAE
Species: Echinothrix calamaris
Common Name: Double spined urchin

Dive Info:
locality: Cebu. Ponson Island. Pilar. Philippines. Pilar Point.
depth: 10 m.
date: 7/17/2007
Photographer: Guido Poppe