Magnus Lundgren / Wild Wonders of China / Long-spined sea urchin (Diadema setosum) showing hollow spines that are mildly venomous. Po Bin Chau, Sai Kung archipelago, Hong Kong, China.
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David Fleetham / Detail of Long-spined Sea Urchin (Diadema savignyi), endemic to the southern Pacific, but is rare in Hawaii. Maui.
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Georgette Douwma / RF - Blue starfish (Linckia laevigata) and Pink cushionstar (Coriaster granulatus) and Long spined urchin (Diadema setosum). Cebu, Malapascua Island, Philippines. (This image may be licensed either a...
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Alex Mustard / Banggai cardinalfish (Pterapogon kaudemi) swimming over a long-spined sea urchin (Astropyga radiata) Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.
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Georgette Douwma / RF - Long-spined sea urchin (Astropyga radiata). Lembeh Strait, North Sulawesi, Indonesia. (This image may be licensed either as rights managed or royalty free.)
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Georgette Douwma / RF - Banggai cardinalfish (Pterapogon kauderni) sheltering amongst the spines of Long spined urchins (Diadema setosum). Lembeh Strait, North Sulawesi, Indonesia. (This image may be licensed either as...
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Georgette Douwma / Flamboyant cuttlefish (Metasepia pfefferi) walking across the sand past a Long spined sea urching (Astropyga radiata) Lembeh Strait, Sulawesi, Indonesia.
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Georgette Douwma / Long spined banded sea urchin (Echinothrix calamaris). Komodo National Park, Indonesia.
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GEORGETTE DOUWMA / Long spined urchin (Diadema setosum). The long spines are coated with toxin. Andaman Sea, Thailand
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Fred Bavendam / Titan Triggerfish (Balistoides viridescens) attacking a Long Spine Sea Urchin (Diadema setosum) it has dislodged from between rocks, Bali, Indonesia
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Fred Bavendam / Needle Shrimp (Stegopontonia commensalis) lives among the sharp protective spines of a Long Spine Sea Urchin host (Diadema setosum), Bali, Indonesia
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Fred Bavendam / Caribbean Long-spined Urchin (Diadema antillarum) on coral, South Caicos, British West Indies
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David Fleetham / Rough-spined urchin (Chondrocidaris gigantea), close up view between the long, thorny spines which are often covered in algae and other growth to aid camouflage, Hawaii, Pacific Ocean.
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David Fleetham / Yellowlip sea snake / Banded sea krait (Laticauda colubrina) cruising over two Long-spined sea urchin (Diadema setosum) and alcyonarian soft coral, Philippines, Pacific Ocean.
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David Fleetham / Long-spined sea urchin (Diadema paucispinum) feeding on algae on the wreck of the St. Anthony, Maui, Hawaii, Pacific Ocean.
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David Fleetham / Rough-spined urchin (Chondrocidaris gigantea) with long, thorny spines covered in algae and other growth to aid camouflage, Hawaii, Pacific Ocean.
