Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Astropyga radiata (aboral) Description Aboral side: The spines are relatively short, not more than 30 - 40 mm, here mostly broken.Diameter of test 118 mm, Negros, Philippines. Author Schultz, Heinke JPG file - 250.29 kB - 981 x 1 057 pixels added on 2005-02-23277 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview