<p>A blue-spotted urchin (<i><a href="//commons.wikimedia.org/wiki/Astropyga_radiata" title="Astropyga radiata">Astropyga radiata</a></i>)
</p>
<ul><li>Image ID: reef0713, NOAA's Coral Kingdom Collection</li>
<li>Location: Northwest Hawaiian Islands</li></ul>
Dr. Dwayne Meadows, NOAA/NMFS/OPR
2004-09
<a rel="nofollow" class="external free" href="http://www.photolib.noaa.gov/htmls/reef0713.htm">http://www.photolib.noaa.gov/htmls/reef0713.htm</a>