Close detail of a Slate Pencil Sea Urchin (Heterocentrotus mammillatus). Photo taken off Hawaii, Pacific Ocean © David Fleetham / OceanwideImages.com
Close detail of a Slate Pencil Sea Urchin (Heterocentrotus mammillatus). Photo taken off Hawaii, Pacific Ocean © David Fleetham / OceanwideImages.com
Slate Pencil Sea Urchin (Heterocentrotus mammillatus). Photo taken off Hawaii, Pacific Ocean © David Fleetham / OceanwideImages.com
Fire Urchin (Astropyga radiata). Also known as Red Urchin and False Fire Urchin. Found throughout the Indo Pacific. Photo taken off Hawaii, Pacific Ocean. © David Fleetham / OceanwideImages.com
Fire Urchin (Astropyga radiata). Also known as Red Urchin and False Fire Urchin. Found throughout the Indo Pacific. Photo taken off Hawaii, Pacific Ocean. © David Fleetham / OceanwideImages.com
Fire Urchin (Astropyga radiata), expelling waste from the central sac. Also known as Red Urchin and False Fire Urchin. Found throughout the Indo Pacific. Photo taken off Hawaii, Pacific Ocean. © David Fleetham / OceanwideImages.com
Reef scene with Slate Pencil Sea Urchin (Heterocentrotus mammillatus), corals and schooling Black Triggerfish (Melichthys niger). Photo taken off Hawaii, Pacific Ocean. © David Fleetham / OceanwideImages.com
Diver observing a Banded Sea Urchin (Echinothrix calamaris). Hawaii, USA. Pacific Ocean. © David Fleetham / OceanwideImages.com
Whitemouth Moray Eel (Gymnothorax meleagris), and Slate Pencil Sea Urchin (Heterocentrotus mammillatus). Hawaii, USA. Pacific Ocean. © David Fleetham / OceanwideImages.com
Diver observing a Slate Pencil Sea Urchin (Heterocentrotus mammillatus). Photo taken off Hawaii, Pacific Ocean, USA. © David Fleetham / OceanwideImages.com
Slate Pencil Sea Urchins (Heterocentrotus mammillatus) and Ornate Butterflyfish (Chaetodon ornatissimus). Hawaii, USA © David Fleetham / OceanwideImages.com
Fire Urchin (Astropyga radiata). Also known as Red Urchin and False Fire Urchin. Found throughout the Indo Pacific. Photo taken off Hawaii, Pacific Ocean. © David Fleetham / OceanwideImages.com
Long-spined Sea Urchin (Diadema paucispinum). Hawaii, Pacific Ocean, USA © David Fleetham / OceanwideImages.com
Fire Urchin (Astropyga radiata). Also known as Red Urchin and False Fire Urchin. Found throughout the Indo Pacific. Photo taken off Hawaii, Pacific Ocean. © David Fleetham / OceanwideImages.com
Reef Scens, comprising of Slate Pencil Urchins (Heterocentrotus mammillatus), amongst corals. Hawaii, Pacific Ocean, USA © David Fleetham / OceanwideImages.com
Reef Scene, comprising of Slate Pencil Urchins (Heterocentrotus mammillatus), amongst corals. Hawaii, Pacific Ocean, USA © David Fleetham / OceanwideImages.com
Reef scene with Slate Pencil Sea Urchin (Heterocentrotus mammillatus) and Pyramid Butterflyfish (Hemitaurichthys polylepis). Hawaii, Pacific Ocean © David Fleetham / OceanwideImages.com
Reef scene with Slate Pencil Sea Urchin (Heterocentrotus mammillatus), corals and a variety of fish species. Photo taken off Hawaii, Pacific Ocean © David Fleetham / OceanwideImages.com
Reef scene with Slate Pencil Sea Urchin (Heterocentrotus mammillatus) and Pyramid Butterflyfish (Hemitaurichthys polylepis). Hawaii, Pacific Ocean © David Fleetham / OceanwideImages.com
Reef scene with Slate Pencil Sea Urchin (Heterocentrotus mammillatus), Pennantfish (Heniochus diphreutes) and Moorish Idol (Zanclus cornutus). Photo taken off Hawaii, Pacific Ocean © David Fleetham / OceanwideImages.com
Reef Scene, comprising of Slate Pencil Urchins (Heterocentrotus mammillatus) and Threadfin Butterflyfish (Chaetodon auriga). Hawaii, Pacific Ocean, USA © David Fleetham / OceanwideImages.com
Reef Scene, comprising of Slate Pencil Urchins (Heterocentrotus mammillatus), Black Triggerfish (Melichthys niger) and Bluestripe Snapper (Lutjanus kasmira). Hawaii, Pacific Ocean, USA © David Fleetham / OceanwideImages.com
Reef Scene, comprising of Slate Pencil Urchins (Heterocentrotus mammillatus) and a variety of tropical reef fish. Hawaii, Pacific Ocean, USA © David Fleetham / OceanwideImages.com
Reef Scene, comprising of Slate Pencil Urchins (Heterocentrotus mammillatus) and Black Triggerfish (Melichthys niger). Hawaii, Pacific Ocean, USA © David Fleetham / OceanwideImages.com
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