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A Long Spined Sea Urchin (Centrostephanus longispinus) in the Mediterranean Sea
Strongylocentrotus purpuratus, or the purple sea urchin, is one of the sharp-spined sea urchin species. California coast.
Test (shell) of Black sea urchin (Arbacia lixula) undersea, Aegean Sea, Greece, Halkidiki
Long-spined sea urchin (Diadema antillarum) on the coral reef of Guadeloupe (Caribbean, France)
Sea urchin
[url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=12124143] [IMG]http://i955.photobucket.com/albums/ae39/LazingBee/nz_kai_moana.jpg[/IMG]\n[/url]. \n[url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=6920109] [IMG]http://i955.photobucket.com/albums/ae39/LazingBee/just_shells-1_zps35d2b2e1.jpg[/IMG]\n[/url].\n[url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=6278095] [IMG]http://i955.photobucket.com/albums/ae39/LazingBee/background_nature.jpg[/IMG]\n[/url].\n[url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=5865335] [IMG]http://i955.photobucket.com/albums/ae39/LazingBee/nz_aotearoa.jpg[/IMG]\n[/url].\n[url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=9972429] [IMG]http://i955.photobucket.com/albums/ae39/LazingBee/kiwiana.jpg[/IMG]\n[/url].\n[url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=8094504] [IMG]http://i955.photobucket.com/albums/ae39/LazingBee/green.jpg[/IMG]\n[/url].\n[url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=10878874] [IMG]http://i955.photobucket.com/albums/ae39/LazingBee/close_ups_nature.jpg[/IMG]\n[/url].  \n\nA Background of Kina Shells with differential focus. The focus is on the top Kina Shell. This photo is in soft focus.\n\nEvechinus chloroticus, known as kina to the Māori, is a sea urchin endemic to New Zealand. It is sought for its delicate, smooth, buttery roe.
Arbacia lixula
Asthenosoma varium is a large urchin (25 cm) with flattened, flexible test (the plates are articulated rather than fused). Very mobile, short spines, arranged in rectangular areas, separated by spineless areas. Spines have a blue swelling close to the tip, filled with venom.Living in bay, lagoon, external reef; on sandy or rubble bottoms. The flexible test allows, changing the shape, to enter very narrow crevices. The swollen shape of the spines and the flexible test are unique features. \nAsthenosoma varium sting can be very painful, a strong local pain due to venom injection can last for hours.\nThis specimen was encountered in a very shallow tunnel in the Triton Bay, Indonesia \n3°54'51.39 S 134°7'24.81 E at 2m depth
Sea urchin in the arctic
Strongylocentrotus purpuratus, the purple sea urchin, lives along the eastern edge of the Pacific Ocean extending from Ensenada, Mexico, to British Columbia, Canada. This sea urchin species is deep purple in color, and lives in lower inter-tidal and nearshore sub-tidal communities. Monterey Bay, California.
feeding common sea urchin on a black background in Kinlochbervie, Scotland, United Kingdom
The island of Oahu, in the state of Hawaii, from old camera film in 1987.
Sea Urchin Photographed while diving in Panama City Florida
Rock boring urchin, Echinometra mathaei, nestled in a crevise of a tide pool. The urchin uses it jaws to enlarge the hole as it grows. Ko Olina, Oahu, Hawaii.
crown of thorns starfish with a fisheye perspective
Cala Fosca in Costa Brava\n\nParacentrotus lividus
black sea urchin on the sea floor, Sri Lanka, Indian Ocean, Asia
Close-up of a colorful Crown-of-thorns starfish feeding on corals. Its exclusive food is polyps of hard corals. This species is one of the largest starfish in the world. Unlike typical starfish, it does not have five-fold symmetry - they have up to 21 arms. It is covered with long, sharp poisonous spines. The photo was taken on the coral reef of Mauritius.
Paracentrotus lividus
Diadem sea urchin (Astropyga pulvinata) in the sea of Cortez (Mexico)
Corals underwater during snorkeling on Zanzibar, Tanzania
Sea Urchin Echinoderm  Underwater Sea life
Collector urchin in Kaneohe Bay with chocolate coral
View of a female sea-urchin.
Sea urchin on the sandy bottom of a coral reef.
Sun Coral Tubastraea faulkneri is a large polyp stony coral from the family Dendrophyliidae. The species occurs all over the tropical Indo-Pacific Ocean in a wide depth range of 3-225 meters, often in greater densities on vertical walls and caves. \nThese corals are slow growers and they do not contribute to coral reef development. Unlike many tropical corals, they are azooxanthellate or non-photosynthetic, meaning that they do not live in symbiosis with zooxanthellae in their tissues, allowing them to grow in complete darkness as long as they can capture enough food, usually plankton. \nThey extend their translucent tentacles like these specimen during the late evening and the night, while during the day the tentacles are completely withdrawn. \nTriton Bay, West Papua Province, Indonesia, 3°54'2.454 S 134°6'23.7 E at 14m depth
Mouth of a Purple sea urchin, Paracentrotus lividus, Mediterranean sea, Vermilion coast, France
3d Animation Sea Anemones in the Color Depths (Depth Of Field)
Sea urchin Evechinus chloroticus on rock covered with layer of sediment and some vegetation.
Single starfish on the beach. Diani Beach, Mombasa, Kenya.
Free Images: "bestof:Stereocidaris hawaiiensis.jpg fr A deep-sea sea urchin Stereocidaris hawaiiensis seen off Hawaii by NOAA Okeanos Explorer mission 2015-09-29 http //echinoblog"
Acrosome reaction diagram fr.svg
Painting_from_the_church_of_Abbas_Antonios_-_Knights_and_martyrs_-_Google_Art_Project.jpg
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Cidaroid sea urchin in Marianas deep waters.jpg
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Coelorinchus tokiensis.jpg
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Evoplosoma_watlingi_NOAA.JPG
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Pythonaster,_probably_P._atlantidis.jpeg
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Typhlonus nasus Okeanos.jpg
Astropectinides ctenophora.jpg
Sarametra triserialis.jpg
Cheiraster.jpg
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Culeolus Okeanos.jpg
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Asteroschematidae Hawaii 01.jpg
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Gorgonocephalidae Hawaii.jpg
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Paranepanthia.jpg
Aspidodiadematidae.jpg
Deep sea chimaera.jpg
Holopus.jpg
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NOAA Ship Okeanos Explorer alongside NOAA photo.jpg
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Etelis radiosus.jpg
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Chaunacops coloratus Okeanos.jpg
Amperima sp.png
Proisocrinus ruberrimus Marianas.jpg
Thaumatocrinus rugosus.jpg
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Mesothuria.jpg
Novodinia_pacifica,_seen_in_Niihau,_about_550_m.jpg
Un_oursin_abyssal_du_genre_Phormosoma.jpg
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Circeaster arandae feeding.jpg
Plutonaster.jpg
Pteraster_reticulatus_&_Stauropathes_staurocrada.jpg
Expl2777_Strongylocentrotus_fragilis.jpg
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