Main Menu Search Articles Photo Galleries Tramping Kayaking Diving Home Gallery of the moment Island Care gap year New Zealand Bay of Islands Accommodation Car Rental New Zealand new zealand business directory listings auto insurance quotes Amazing Wilderness About Green Living © TheNewZealandSite « Back Underwater, critters: Sea Urchin: Black Spiny Urchin Centrostephanus rodgersii About 25 cm across. Poor Knights January 2004