Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Diadema setosum (apical system) Description Apical system: The anal rube has the typical red colour, remnants of the blue spots are faintly recognizable. Author Schultz, Heinke JPG file - 95.33 kB - 589 x 575 pixels added on 2005-02-23626 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview