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Heterocentrotus mamillatus (aboral)
Heterocentrotus mamillatus (aboral)
Description Aboral side: The primary spines parallel to the long axis are longer than the other. They serve to wedge the animal between coral blocks in heavy waves. The secondaries are short and truncated.
Width of test about 35 mm; Hawaii. Author Schultz, Heinke JPG file - 132.65 kB - 1 147 x 896 pixels added on 2005-02-23270 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke
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