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The remains, shell, or exo skeleton of a sea urchin by a coastal rock pool.
Close-Up Of Sea Urchin On Rock In Sea
Single purple sea urchin in the middle of coral reef tank in an aquarium
The stone covered harbour floor, Kolocep Island, Croatia.
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
Purple Sea Urchin Close Up Underwater Southeast Alaska
A Long Spined Sea Urchin (Centrostephanus longispinus) in the Mediterranean Sea
A little sea urching on the beach
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.
Underwater Sea Urchins on a Rock, Close Up Underwater Urchins
Sea Urchin
the sea-urchin in the sea
colorful Anemone flower sea and coral
Rocky coast of the island of Mallorca with sea urchins, Paracentrotus lividus, on a sunny day
shallow water on the beach in Canada
little sea urchin in the rocks
Sea Urchin Echinoderm shell texture. Underwater Sea life,  Macro abstract. Blue sea in  background.
Kondoi Beach, Taketomi Island, Okinawa Prefecture
View of a female sea-urchin.
Black sea urchin (Arbacia lixula) underwater on the beach
Sea urchin on a male hand. Shor underwater.
Sea urchins in the Adriatic Sea dangerous wild animals in Croatia
Small puddle filled with water after high tide with some marine life: mussels, sea urchins, fry, etc.
Sea creatures. One, black, sea urchin (Echinoidea) in a man's hand close-up on a sunny summer day
High angle view of seawater surface texture background of the shallow sea.
water sea texture
A close up shot of Hawaiian sea urchins half sumerged on a rock. Taken in Kauai, Hawaii, during the day
Sea urchin under water on white sand over Zanzibar, Tanzania coast, in the Indian Ocean
Background Shot of Aqua Sea Water Surface
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