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close-up sea urchin on rock with blue sea in background. Paracentrotus lividus
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Group of sea urchins underwater ( purple sea urchin  Paracentrotus lividus), eastern Atlantic Ocean, Spain, Galicia
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.
Tubeworm, Fan Worm, Spirographis, Spirographis Spallanzani, Feather Duster Worms, Tube Worm, Polychaete, Cabo Cope Puntas del Calnegre Regional Park, Mediterranean Sea, Murcia, Spain, Europe
Pollen grains on a white background.
A cluster of sea urchins in a Pacific Ocean tidal pool along the coast of Costa Rica.  Seen through the water.
Anthopleura xanthogrammica, or the giant green anemone, is a species of intertidal sea anemone of the family Actiniidae and found in tidepools in Alaska. Sitka, Alaska.
A woman on the beach holds two medium-sized young lively sea urchins from the Aegean Sea.
A multi colored sea urchin is just below the water’s surface.
Sea urchin
False Clown Anemonefishes Amphiprion ocellaris are hiding in the tentacles of a Sea Anemone Heteractis magnifica. \nAmphiprion ocellaris inhabits shallow and calm tropical lagoons of the Indo-Malaysian region, from the Ryukyu Islands, Japan, throughout South-east Asia and south to Australia in a depth range from 1-15m, usually 3-15m, max. length 11cm. It is one of the most popular marine aquarium fishes. \nHeteractis magnifica occurs in the Indo-Pacific Ocean, from the Red Sea to Samoa, in South East Asia, Northern Australia and the Western Pacific Regions, from Australia to the Ryukyu Islands in a depth range from 1-50m depth preferring the temperature range from 24-32 °C. Heteractis magnifica is the 2nd largest of all sea anemones. The oral disc reaches 100cm, but typical is 30-50cm. In captivity, the longest lifespan is 80 years, in the wild it is unknown, but its estimated that some individuals are hundreds of years old! Triton Bay, Kaimana Regency, Indonesia, 4°2'33.4058 S 134°14'12.0248 E at 6m depth
Blue-spotted sea urchin on the coral reef under the sea surface movements
A sunburst sea anemone in a tidal pool on the coast of Newport Beach, California during the winter.
The puffer fish is usually found exclusively in warmer waters and tropical places like Costa Rica and the Pacific Ocean. It is almost unheard of for a puffer fish to be found in the colder climate and waters of the Northern area.The spot-fin porcupinefish, also known as the spotted porcupinefish, black-spotted porcupinefish or simply porcupinefish, is a member of the family Diodontidae.\nWe saw these having been attacked by a seabird, Having Puffed they are unable to dive and float on the surface until the danger has passed
Tripneustes depressus, the white sea urchin or sea egg, is a species of sea urchin in the family Toxopneustidae. It is found on the seabed in the tropical eastern Pacific Ocean including Mexico, Panama, Ecuador and the Galápagos Islands. Galapagos Islands, Ecuador. Galapagos Islands National Park
Symphysodon discus in an aquarium on a green background
Giant clam - Tridacna maxima  Underwater Sea life  Coral reef  Underwater photo Scuba Diver Point of View Red sea
Glaucus atlanticus Forster, 1777
Holding a Sea-Urchin
Black sea urchin oral face ,  Arbacia lixula
Man preparing raw sea urchins, also called garoines.
Echinoidea sea urchins, a group of marine animals belonging to the type of echinoderms Echinodermata, characterized by a spherical shape, .Zanzibar near the town of Jambiani
Crown of thorns starfish, Acanthaster ellisii, Sea of Cortez, Mexico. Sea star. Red and orange starfish on a rock.
Test (shell) of Black sea urchin (Arbacia lixula) undersea, Aegean Sea, Greece, Halkidiki
Sea urchin
Yellow hedgehog fish washed ashore
Paracanthurus hepatus,blue tang fish
Sea urchins and sea
Sea Urchin
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