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Finger Corals, Kurusadai Island, Gulf of Mannar Biosphere Reserve, Tamil Nadu, India
Floating sea weed (Codium Fragile)
Posidonia meadows in the Italian Mediterranean shot underwater
The Mediterranean seagrass (Posidonia oceanica) and the invasive red seaweed (Asparagopsis armata) in La Ciotat (South of France).
White and brown sea coral isolated cutout on white background
Queensland, Australia.
Close-up of a succulent plant growing on a honeycomb weathered rock in a sandy desert environment. Ideal for nature, desert landscapes, and botanical themes.
Closeup of small wild flower
Critically endangered Elkhorn Coral being grown on trees in an effort to restore coral reefs off Bonaire, Dutch Caribbean
Lush green sea grass underwater- Posidonia Oceania
low tide sea scape with corals and seaweed on stones
Seaweed on the Atlantic coast, Buenos Aires, Argentina
Close-up underwater soft coral on the tropical coral reef at Hon Yen National Park in Phu Yen province, Vietnam
Corallina Red Marine Algae, Corallina officinalis, Salt Point State Park, Sonoma County, California, Rhodophyta
sargassum a marine algae in the Gulf of California
Fish skeleton bones hidden in the seaweed at the bottom of an inlet. Photographed in Narooma Inlet, NSW, Australia.
Underwater close-up photography of an uspide down jellyfish.
Indian Feather Duster Worm Sabellastarte spectabilis occurs in the tropical Indo-Pacific Ocean from the Arabian Sea to Hawaii in intertidal and subtidal reefs in a depth range from 3-30m. It is quite a large species, with a tube up to 30cm and a single crown of about 10cm in diameter, feeding by filtering plankton and organic particles from the water column. \nAs a defence mechanism, these creatures are able to quickly retreat into their tubes, when disturbed by potential predators. It may come as a surprise, but Sabellastarte has eyes! \nCrowns of this species often have a banded pattern in a variety of colors including browns, red, white and yellow. Yellow  like this specimen  is the rarest color for this species. \nTengah Island, Indonesia, 5°8'44.496 S 132°0'46.254 E at 8m depth by night
Elkhorn Coral at Tres Palmas Marine Reserve in Puerto Rico in Rincon, Rincón, Puerto Rico
Seagrass underwater
Coral reef transplantation as part of ecosystem restoration, this coral adoption (Acropora gomezi) program includes the name of the donor. Edu-ecotourism activity.
Sea weeds green on the ocean floor off the coast of Brittany, France during a beautiful summer day.
brown and white fringing coral reefs on the water surface when the tide is low
Lichens in lava flow, Reunion Island, Piton de la Fournaise lava flow in the East. \n\nGrand Brûlé State Forest
Marine brown algae Spiny Leaf Seaweed (Turbinaria) growing on hard coral. Underwater seascape, Red sea, Egypt
Common Rockweed Algae, Fucus distichus, Family Fucales, Salt Point State Park, California
A coral with the bottom of the sea.
Seaweed on the seabed at Pedn Vounder Beach, Cornwall on a bright June day.
Beautiful coral in Togian islands reef, Indonesia
Algae thrown onto a beach on the northeast coast of Brazil
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