Solvin Zankl / Spines of sea urchins from sand sample from Raja Ampat, Indonesia, the wide range of colours of these animals become visible. Diagonal of frame approx. 5 mm Digital focus stacking image
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David Shale / Pencil urchin (Cidaroid). Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.
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David Shale / Pencil urchin (Cidaroid). Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.
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Alex Mustard / 2020VISION / Common sea urchins (Echinus esculentus) beneath a stand of kelp, Shetland Islands, Scotland, UK, North East Atlantic Ocean, April
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Juergen Freund / Mahonia Na Dari (Guardian of the Sea) teacher Lorna Romaso leads a group of 16 students to snorkel and learn about the reef. West New Britain, Papua New Guinea, May 2010.
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Juergen Freund / Coleman shrimp (Periclimenes colemani) on a Fire urchin (Asthenosoma varium) Moluccas Islands, Indonesia.
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Juergen Freund / Zebra / Adam's urchin crab with eggs (Zebrida adamsii) on Fire sea urchin (Mespilia globulus), Komodo NP, Indonesia, Indo-pacific.
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Juergen Freund / Carrier / Sea urchin crab (Dorippe frascone) carrying a fire urchin as a deterrent to predators. Lembeh Strait, North Sulawesi, Indonesia
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Floris van Breugel / Giant Red Sea Urchins (Strongylocentrotus franciscanus) Purple sea urchins (Strongylocentrotus purpuratus) and Sea Anenomes (Anthopleura) underwater, in tide pools along Californian coastline, USA.
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Thomas Lazar / American oystercatcher {Haematopus palliatus} feeding on Sea urchin, Florida, USA
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Georgette Douwma / False fire urchin (Astropyga radiata) grouped on sandy bottom. Lembeh Strait, North Sulawesi, Indonesia.
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Wild Wonders of Europe / Lundgren / Ratfish / Ghost shark (Chimaera monstrosa) swimming over Sea urchins, Trondheimsfjorden, Norway, February 2009