Constantinos Petrinos / Yellow stripe clingfish (Diademichthys lineatus) living in association with the Fire Urchin (Astropyga radiata) Lembeh Strait, North Sulawesi, Indonesia.
Pascal Kobeh / Detail of a banded urchin (Echinotrix calamaris) with its anus clearly visible. Sulu Sea, Philippines.
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David Fleetham / Sea urchin crab (Echinoecus pentagonus), female inside Common banded urchin (Echinothrix calamaris) rectum. Hawaii.
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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.
Georgette Douwma / RF - Calamari urchin (Echinothrix calamaris). Cebu, Malapascua Island, Philippines. (This image may be licensed either as rights managed or royalty free.)
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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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Constantinos Petrinos / Aggregation of Blue-spotted urchins (Astropyga radiata) Lembeh Strait, North Sulawesi, Indonesia.
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Constantinos Petrinos / Aggregation of Blue-spotted urchins (Astropyga radiata) Lembeh Strait, North Sulawesi, Indonesia.
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Constantinos Petrinos / Fire urchin (Astropyga radiata) close up, Lembeh Strait, North Sulawesi, Indonesia.
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Constantinos Petrinos / Yellow stripe clingfish (Diademichthys lineatus) living in association with the Fire Urchin (Astropyga radiata) Lembeh Strait, North Sulawesi, Indonesia.