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Long-spined sea urchin (Diadema antillarum) on the coral reef of Guadeloupe (Caribbean, France)
A dried, dead, puffed up pufferfish hanging outside a seafood restaurant in central Tokyo
Group of sea urchins underwater ( purple sea urchin  Paracentrotus lividus), eastern Atlantic Ocean, Spain, Galicia
Crown of thorns starfish, Acanthaster ellisii, Sea of Cortez, Mexico. Sea star. Red and orange starfish on a rock.
Plate LPS Coral
Ricordea Mushroom (Ricordea yuma)
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.
Realy curious animal of the dark sea, this is a puffer fish, nicely isolated from its background.
Blue sea urchin on glass in a marine aquarium
A sunburst sea anemone in a tidal pool on the coast of Newport Beach, California during the winter.
Underwater photo of Purple Sea Urchin in natural habitat the sea with yellow coral in background. Blue sea
Anthopleura xanthogrammica, or the giant green anemone, is a species of intertidal sea anemone of the family Actiniidae. Other  names for this anemone include green surf anemone, giant green sea anemone, green anemone, giant tidepool anemone, anemone, and rough anemone.  Salt Point State Park, California.
Black sea urchin (Arbacia lixula) undersea, Aegean Sea, Greece, Halkidiki
colorful Anemone flower sea and coral
Yellowspotted burrfish (cyclichthys spilostylus) is in a defensive position, Red Sea
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 bottom with fish and algae as a background
Sea urchin shells of various colours
puffer fish close-up on a vintage plate on a white background
Crown of thorns starfish, Acanthaster ellisii, Sea of Cortez, Mexico. Sea star. Red and orange starfish on a rock.
Diadema setosum
Tropical salt water fish Striped burrfish (Chilomycterus schoepfi)
Yellowspotted burrfish (cyclichthys spilostylus) using its defense system. Red sea
Coral reef in the John Pennekamp Coral Reef State Park Visitor Center in Key Largo Florida USA
Photograph of a sea urchin living in the Atlantic Ocean
Have you ever wondered what's it like living under the sea
sea urchin skeleton isolated on white background
Anthopleura xanthogrammica, or the Giant Green Anemone, is a species of intertidal sea anemones, of the family Actiniidae. Other common names: Green Surf Anemone, Giant Green Sea anemone, Green Anemone, Giant Tidepool Anemone, Solitary Anemone, and Rough Anemone \n Salt Point State Park; California;
Urchin macro photography сlose up. In the water.
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
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