1116-51216 - Surrounded by patches of Rice Coral (Montipora capitata), a Red Slate Pencil Urchin (Heterocentrotus mamillatus) and a Needle-spined (Urchin Echinostrephus aciculatus) rest on Molokini Backwall which is located offshore of Maui, Hawaii, USA; Molokini Crater, Maui, Hawaii, United States of America

1116-51212 - A Red Slate Pencil Urchin (Heterocentrotus mamillatus) rests on Molokini Backwall which is located offshore of Maui; Hawaii, United States of America

1116-49720 - Hawaiian reef scene with soldierfish and goatfish, Hawaii, United States of America

1116-41494 - Slate pencil sea urchins (Heterocentrotus mammillatus) colour the hard coral in this Hawaiian reef scene with three free divers, Molokini Marine Preserve off the island of Maui, Maui, Hawaii, United States of America

1116-41495 - Slate pencil sea urchins (Heterocentrotus mammillatus) colour the foreground of this Hawaiian reef scene with a young woman free diving with black triggerfish (Melichthys niger), Molokini Marine Preserve off the island of Maui, Maui, Hawaii, United States of America

1116-41500 - Two men free diving over a Hawaiian hard coral reef with slate pencil sea urchins (Heterocentrotus mammillatus), Hawaii, United States of America

1116-39730 - Colourful coral reef and schooling fish, Hawaii, United States of America

1116-29017 - Hawaii, slate pencil urchin, (heterocentrotus mammillatus).

1116-29201 - Hawaii, Pennant Bannerfish (heniochus chrysostomus) gliding through water together, Typical hawaiian reef scene.

920-2327 - Red pencil urchin, (Heterocentrotus mammilattus), Blowhole, Oahu, Hawaii, United States of America, Pacific

920-280 - Red pencil sea urchin (Heterocentrotus mammillatus), Molokini crater, Maui, Hawaii, United States of America, Pacific