Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Eucidaris tribuloides (aboral, in situ) Description The sea urchin hides below a coral block. The secondary spines are very conspicuous with their dark distal ends.Cuba Author Rauch, H. & I. JPG file - 336.18 kB - 1 734 x 1 176 pixels added on 2005-02-23668 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Rauch, H. & I. Click here to return to the thumbnails overview