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Sea Urchin Photographed while diving in Panama City Florida
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
Close up of sand dollar
View of a female sea-urchin.
Black sea urchin (Arbacia lixula) underwater on the beach
A tiny fish has taken up residence in an abandoned glass bottle.
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.
Top view of the skeleton of a sea urchin in the foreground on a rock on the coast.
Close-Up Of Sea Urchin On Rock At Seashore
The island of Oahu, in the state of Hawaii, from old camera film in 1987.
Shell collection: shells of various colors, decorations
Common sea urchin Evechinus chloroticus (kina).
Papuan Scorpionfish Scorpaenopsis papuensis occurs in the tropical Pacific Ocean from Indonesia and the Philippines to the Society Islands, north to the Ryukyu Islands, south to the Great Barrier Reef and Fiji in a depth range from 1-40m, max. length 25cm, common 20cm. Scorpion fishes rarely swim, but rather move along the bottom propelling themselves with their fins. As ambush hunters, they use the camouflage as a hunting skill to prey on unsuspecting fish and invertebrates. The outline of Scorpionfishes often disappears almost completey. This is a part of the left pectoral fin with sophisticated camouflage pattern. \nTriton Bay, Indonesia, 3°54'2.544 S 134°6'23.862 E at 9m depth by night.
Sea urchin with peaks between small wet rocks on the beach of Puerto Vallarta Jalisco
A Sea Cucumber and a Kina Urchin in a marine education touch tank.
Sea urchin
Preparation of the assassin pasta - Antique recipe from Bari, Puglia, Italy
Sea creatures at Botanical Beach, Port Renfrew, BC Canada
Small puddle filled with water after high tide with some marine life: mussels, sea urchins, fry, etc.
Coral reef in  indian ocean in Kenya. Ocean life.
Some amoebas like this one form shells. Shell is composed of bits of rock (sand), diatom shells, and other debris. Fresh water. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
(Urticina columbiana) The Columbia Sand Anemone can grow to 10 inches in height and 14 inches in diameter, The column is red to purple in color with small bumps on it called tubercles.  They have long thin tentacles when open.  These anemones can be found from Vancouver Island to Baja California in intertidal and subtidal zones to 150 feet.
Skeleton of a Clypeasteroid on the sand of a beach in Brazil
Paracentrotus livides
A sunburst sea anemone in a tidal pool on the coast of Newport Beach, California during the winter.
Underwater marine life, Lytechinus variegatus commonly called green sea urchin or variegated sea urchin, Caribbean sea
Coleman Shrimps Periclimenes colemani on variable Fire Urchin Asthenosoma varium.\nPericlimenes colemani, a species of pontoniinid shrimp, lives in pairs on the test of sea urchins Asthenosoma sp. It is also remarkable for its cryptic white, red spotted colour pattern. Periclimenes colemani occurs in the tropical Central Indo-Pacific from Malaysia to Australia on shallow reef areas in a temperature range of 23 - 28°C typically measuring about 2 cm in length with females being larger than males and having a much more round and stout abdomen.\nAsthenosoma 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. The species occurs 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.\nTriton Bay, Westpapua, Indonesia 3°56'15.144 S 134°7'7.26 E at 17m depth
Sea ​​urchin on pink sand in Alghero, Sardinia
Sea Urchin Echinoderm Underwater Sea life,  Macro abstract background. sea ​​urchin spines and teeth
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