A new integrated search interface will become available in the next phase of marineinfo.org.For the time being, please use IMIS to search available data PeopleInstitutesProjectsData setsPublicationsEvents IMIS Photogallery » ReferencesDiadema setosum (colony, in situ)Description Aggregated herd: On open bottoms these sea urchins are often seen in herds. The mass of spines is obviously a major discouragement to potential predators.Philippines.Author Rauch, H. & I.JPG file - 289.87 kB - 1 518 x 938 pixelsadded on 2005-02-23574 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha...© 2005 Rauch, H. & I.Click here to return to the thumbnails overview