Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Astropyga radiata (aboral) Description Aboral side: The bright blue spots are arranged along the interambulacra, even on bare tests.Diameter of test 50 mm, Negros, Philippines. Author Schultz, Heinke JPG file - 43.06 kB - 399 x 268 pixels added on 2005-02-23287 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview