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Long-spined sea urchin (Diadema antillarum) on the coral reef of Guadeloupe (Caribbean, France)
Single purple sea urchin in the middle of coral reef tank in an aquarium
Close-Up Of Sea Urchin On Rock In Sea
Purple Sea Urchin Close Up Underwater Southeast Alaska
close-up sea urchin on rock with blue sea in background. Paracentrotus lividus
Sea Urchins, California. Strongylocentrotus purpuratus
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.
A Long Spined Sea Urchin (Centrostephanus longispinus) in the Mediterranean Sea
Sea urchins underwater on a rocky seabed with sunlight through water surface, indian ocean, island of Zanzibar, Tanzania, East Africa
colorful Anemone flower sea and coral
Mediterranean purple sea urchin - Sphaerechinus granularis
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 urchin Evechinus chloroticus on rock covered with layer of sediment and some vegetation.
This image shows several sea urchins, with one opened to reveal its bright yellow insides. The sea urchin's shell is covered with black spines, creating a sharp contrast. The background consists of light-colored ice, highlighting the details of the sea urchin.
Sea Urchin on Rock Near Ocean Background
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.
Purple Sea Urchin, strongylocentrotus purpuratus, California
Cala Fosca in Costa Brava\n\nParacentrotus lividus
A little sea urching on the beach
View of a female sea-urchin.
Porcupine Sea Urchin (Diadema setosum)
Background of Kina Shells with differential focus. The focus is on the top Kina Shell. This photo is in soft focus.
Diadema setosum
The Red Urchin, blue-spotted urchin; Fire Urchin or False Fire Urchin, Astropyga radiata, is an urchin, with a test (shell) diameter of about 20 cm. It is found in the Indo-Pacific region. Maui Island, Hawaii
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.
Sea Urchin Echinoderm shell texture. Underwater Sea life,  Macro abstract. Blue sea in  background.
Underwater Sea Urchins on a Rock, Close Up Underwater Urchins
Red pencil urchin, Heterocentrotus mamillatus, in a brilliant red color typical of specimens near Hawaii.
Sea urchin under water on white sand over Zanzibar, Tanzania coast, in the Indian Ocean
Cala Fosca in Costa Brava\n\nParacentrotus lividus
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