<p><strong>Fig. 3.87.</strong> (<strong>A</strong>) Long sharp spines on a long-spined sea urchin (<em>Diadema antillarum</em>)</p>

Fig. 3.87. (A) Long sharp spines on a long-spined sea urchin (Diadema antillarum)

Image courtesy of National Oceanic and Atmospheric Administration (NOAA)