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 » ReferencesStrongylocentrotus purpuratus (in situ)Description Tide pool: The sea urchins sit side by side in pits, which they don't leave for grazing. They are sessile, feeding on organic particles which come with the water. Many of the animals have camouflaged themselves with small pebbles or pieces of algae.Humboldt Co., California, USA.Author Schultz, HeinkeJPG file - 423.46 kB - 1 473 x 999 pixelsadded on 2005-02-23243 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha...© 2005 Schultz, HeinkeClick here to return to the thumbnails overview