A Red Sea Urchin of the Northeast Pacific, Strongylocentrotus franciscanus. Of urchins and amphipods and of beauty and bugs Text & Images by Ronald L. Shimek, Ph.D. People who have read more than one of my musings generally are aware I like to discuss things that aren’t what they seem to be. And particularly, I like to discuss things that seem to be very obvious, but actually are more oblivious than obvious.  So putting this all together, I like to discuss interactions that are obviously what they aren’t. A good case in point revolves around the large Red Sea Urchin of the Northeastern Pacific, Strongylocentrotus franciscanus. These are sea urchins that are far larger than the common sea urchins of reef aquaria. MORE: Don’t Get Stuck On It, As It Is A Crappy Way To Live

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