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Single purple sea urchin in the middle of coral reef tank in an aquarium
Long-spined sea urchin (Diadema antillarum) on the coral reef of Guadeloupe (Caribbean, France)
Close-Up Of Sea Urchin On Rock In Sea
Purple Sea Urchin Close Up Underwater Southeast Alaska
Mediterranean purple sea urchin - Sphaerechinus granularis
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
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
Sea urchin
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.
Underwater seabed with long spined sea urchin in the Caribbean sea
Cala Fosca in Costa Brava\n\nParacentrotus lividus
Sea urchins in the Adriatic Sea dangerous wild animals in Croatia
View of a female sea-urchin.
Paracentrotus lividus is a species of sea urchin in the family Parechinidae commonly known as the purple sea urchin. It is the type species of the genus and occurs in the Mediterranean Sea and eastern Atlantic Ocean
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.
A little sea urching on the beach
A vibrant sea urchin clings to a rock under the water’s surface.
Porcupine Sea Urchin (Diadema setosum)
Sea Urchins, California. Strongylocentrotus purpuratus
Black Sea urchins on rock in tropical sea. Diadema setosum long spined creature on ocean floor, selective focus
Small puddle filled with water after high tide with some marine life: mussels, sea urchins, fry, etc.
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.
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 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.
the sea-urchin in the sea
Red pencil urchin, Heterocentrotus mamillatus, in a brilliant red color typical of specimens near Hawaii.
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