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Giant Barrel Sponge Xestospongia testudinaria occurs widely distributed in the tropical Indo-Pacific in a depth range from 2-50m. Specimen in the intertidal zones remain small with 10-20cm diameter, below they can grow to impressing sizes, measuring up to 2.4 meters in height and width. The life span of these filter animals is many hundreds of years. These three or four specimens emerge from a common base, this is often found. Two Moonwrasses Thalassoma lunare in the blue, a Dwarf Hawkfish Cirrhitichthys falco sitting on the sponge and a Silverspot Squirrelfish Sargocentron caudimaculatum under the sponge. Manuk Island, Indonesia, 5°32'24\
The two Northern Gannets perched on a rocky outcrop against a dark blue ocean backdrop
Gannets on Bempton cliffs, Flamborough Head
Beautiful Gorgonian Seafan surrounded by tropical fish in the Mergui Archipelago, Myanmar
Close-up of gannet perching outdoors,Bempton Cliffs,United Kingdom,UK
Underwater Photography of Bonaire
Encrusting colonial ascidian form or tunicate Diplosoma spongiforme undersea, Aegean Sea, Greece, Halkidiki, Pirgos beach
View of the Caribbean coral reef and marine life in Grand Cayman - Cayman Islands
Branching Gorgonian Sea Fan coral or Giant Seafan with marine life at North Andaman, a famous scuba diving dive site and exotic underwater landscape in Thailand.
The black turnstone (Arenaria melanocephala) is a species of small wading bird. Frederick Sound, Alaska. Charadriiformes, Scolopacidae.
Orange Seafan, Underwater shoot, Andaman sea, Thailand
Gannet on Bempton cliffs, Flamborough Head
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Big Blue Octopus Octopus cyanea  occurs in the tropical Indo-Pacific from eastern Africa to the Hawaiian Islands in a depth range from 0-150m, max. mantle length 22cm with arms to at least 80 cm. \nBig blue octopuses are found living in muddy, sandy, or rocky bottoms, and in seagrass beds. They create lairs or dens in crevices or coral rubbles within coral reefs. These dens aren't used for long term; on average individuals spend up to 35 days in one den. The average lifespan of big blue octopuses is 12 to 15 months.\nThis juvenile specimen was encountered in the Triton Bay, Indonesia \n3°54'41.052 S 134°7'18.204 E at 12m depth
A vibrant, colorful coral reef full of tropical fish and seafans
Camera: Nikon Z8 - 45MP-Sensor / Location: Island Helgoland, Schleswig-Holstein, Germany.
View of the Caribbean coral reef with the brown octopus sponge and sea fan in Grand Cayman - Cayman Islands
Yellow Sea fans at Osprey Reef, Coral Sea, Great Barrier Reef
A Gannet, Morus bassanus resting on the top of a cliff looking out at the North Sea at Bempton Cliffs
Ricordea Mushroom (Ricordea yuma)
Beautiful sea fan coral reef and many fish photography in deep sea in scuba dive explore travel activity underwater with blue background landscape in Andaman Sea, Thailand
Underwater close-up footage of a red Gorgonian Sea Fan on a coral reef.  Coral reefs are the one of earths most complex ecosystems, containing over 800 species of corals and one million animal and plant species.  Coral reefs are currently suffering from rising sea temperatures caused by Global Warming.  The water is clear blue in this example of a fragile ecosystem.  This image was taken whilst Scuba Diving at Phi Phi, Andaman Sea, Krabi, Thailand.
snorkeling trip at Samaesan Thailand. dive underwater with fishes in the coral reef
Gannets on Bempton cliffs, Flamborough Head
Elephant Trunkfish sea cucumber underwater animal, Holothuria fuscopunctatasea, lagoon of Grande Terre island, south Pacific ocean, New Caledonia
High-hat Triplefin Enneapterygius tutuilae occurs in the tropical Indo-West Pacific from East Africa to Micronesia, Line Islands, and Society Islands, and Taiwan to Australia, including Papua New Guinea, Line Islands and Society Islands, Taiwan to reefs of Coral Sea and New Caledonia in a depth range from 0-55m, max. length 4cm. Adults are found in various reef habitats, but often on sponges or reef outcrops and in intertidal pools and on corals and rocks. The species feeds on zooplankton. \nEven if it is the most common and most widely distributed among Enneapterygius species, this tiny and well camouflaged fish is rarely encountered. \nTriton Bay, Kaimana Regency, West Papua Province, Indonesia \n3°54'41.0503 S 134°7'18.2052 E at 4m depth
Hairy Frogfish, small juvenile - Antennarius striatus. Underwater macro world of tropical seas.
Thousands of birds nest on cliffs in Northen Svalbard
This nudibranch, or sea slug is called Reticulidia fungi or Abstract Reticulidia
Tropical fish swimming around each other in Negril, Jamaica
Free Images: "bestof:Pheronema raphanus, the Indian Bird's nest Sponge, from the Andaman Sea, 173-405 fathoms.jpeg Pheronema raphanus the Indian Bird's nest Sponge from the Andaman"
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