Sea Urchins, like sea stars, sand dollars, and sea cucumbers are in the Echinoderm class. Sea Urchins graze in sea grass beds. They are not dangerous to humans.
On the under side, beak-like teeth are visible.
Sea Urchin "Test"SEA URCHIN SOUP: http://www.youtube.com/watch?v=bI6bquY21I0&NR=1
Note: Interesting to watch. Try this at your own risk. We have not tried it.