Animals > Invertebrates > Sea Stars & Relatives > Sea Urchins

Red Sea Urchin
Strongylocentrotus franciscanus

Red Sea Urchin
Red Sea Urchin
Strongylocentrotus franciscanus
Oklahoma Aquarium
Jenks, OK, UAS
© 2013 Jeff Whitlock use this photo
Red Sea Urchin
Red Sea Urchin
Strongylocentrotus franciscanus
Tennessee Aquarium
Chattanooga, TN, USA
© 2004 Jeff Whitlock use this photo