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Hawaian red sea urchin. Maui.
Strongylocentrotus purpuratus, or the purple sea urchin, is one of the sharp-spined sea urchin species. California coast.
Psammechinus militaries
Serene underwater environment surrounding Boracay Island, located in the Philippines. The image showcases a stone coral formation with a black urchin resting upon it. The black urchin is characterized by long, slender needles. The underwater scene features clear blue water with visible sunrays, adding a touch of natural illumination to the photograph.
Sea Urchins, California. Strongylocentrotus purpuratus
A Long Spined Sea Urchin (Centrostephanus longispinus) in the Mediterranean Sea
Burrowing urchin - Echinometra mathaei
A vibrant sea urchin clings to a rock under the water’s surface.
Sea urchin on sandy bottom at night.
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
Red pencil urchin, Heterocentrotus mamillatus, in a brilliant red color typical of specimens near Hawaii.
Mouth of a Purple sea urchin, Paracentrotus lividus, Mediterranean sea, Vermilion coast, France
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
Close up of a live sea urchin with a green urchin shell on top of it underwater
Cala Fosca in Costa Brava\n\nParacentrotus lividus
Sea urchin in the arctic
Balanophyllia elegans, the orange coral or orange cup coral, is a species of solitary cup coral, a stony coral in the family Dendrophylliidae. An azooxanthellate species, it does not contain symbiotic dinoflagellates in its tissues. Monterey Bay, California.
Diadema setosum
[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.
Centrostephanus longispinus, the hatpin urchin, is a species of sea urchin in the family Diadematidae. There are two subspecies, Centrostephanus l. longispinus, found in the eastern Atlantic and Mediterranean Sea and Centrostephanus l. rubricingulus, found in the western Atlantic.
Underwater photo of starfish and sea urchin.
Sea urchin needles close up.
Sea life  Yellow soft coral from scuba diver point of view
Black sea urchin (Arbacia lixula) extreme close-up undersea, Aegean Sea, Greece, Halkidiki
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.
Sea Urchin Photographed while diving in Panama City Florida
Cala Fosca in Costa Brava\n\nParacentrotus lividus
Macro view of a purple sea urchin, Paracentrotus lividus, Mediterranean sea, Vermilion coast, France
Strongylocentrotus purpuratus, the purple sea urchin, lives along the eastern edge of the Pacific Ocean extending from Ensenada, Mexico, to British Columbia, Canada. Monterey, California. Underwater.
Free Images: "bestof:Aspidodiadema arcitum.jpg fr A deep-sea sea urchin Aspidodiadema arcitum seen off Hawaii by NOAA Okeanos Explorer mission 2015-09-29 https //www flickr com/..."
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