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Millions of Golden jellyfish, Mastigias papua etpisonii, swim in Palau's famous Jellyfish Lake. The jellyfish population grows with cooler water temperature and falls with warmer temperatures.
Environmental pollution
Gruinard, Gruinard Beach, Gruinard Bay, Scotland, Highlands, Achnasheen
A long stringy kelp, Desmarestia aculeata or \
Bladderwrack seaweed or Fucus vesiculosus. Magoito Beach, Sintra, Portugal
Seagrasses Underwater Sea life   Scuba diver point of view  Sea grass Posidoniaceae
seaweed stranded on the sand of the beach in Cadiz, Spain
green algae under the sea
Close up of plastic pack drifts with scraps of Seaweed Brown Sargassum on surface of water form floats islands of algae and plastic debris, on daytime in sunlight, Red sea, Egypt
Seaweed and sand on North Sea coastline
Floats allowing brown sargassum algae to float in shallow sandy sea on sunny day
Green Algae Goo Sludge on Pond Surface Detail - Detail of organic material with vibrant green colors.
Ocean algae on a sandy beach off the coast of France.
Sea grass Scuba diving. Beautiful sea life, Underwater scene Sea grass bottom. Beautiful blue sea and scuba diver air bubble in background with copy space.
Leaf of bladderwort, Utricularia vulgaris, a carnivorous plant at Mud Pond in Sunapee, New Hampshire.
Floating sea weed (Codium Fragile)
seaweed stranded on the sand of the beach in Cadiz, Spain
seaweed cut out on a white background
Underwater landscape, Black Sea. Green, red and brown algae on the seabed (Ulva, Enteromorpha, Ceramium, Cladophora, Porphira)
Geirangerfjord near Hellesylt in Norway.  This is seaweed in the Fjord.
Baltic Sea coast in Schönhagen, Germany
Seaweed on the Welsh coastline
A green plant is lying on the sand. The plant is small and has a green color. Sea lettuce seaweed.
Close up of Seaweed in Sand on a Beach
Sargassum seaweed washed up on South Beach in Miami Beach, Florida on bright sunny morning.
Water hyacinths covering the coast line of Lake Toba in the northern part of Sumatra
Panorama of the underwater flora. Seaweed close-up in sunlight. Bright abstract sea background.
Wet shiny seaweed on the Thames estuary
Turtlegrass (Seagrass) on Coral Reef off Marathon, Florida Keys, Florida
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
Free Images: "bestof:Fucus vesiculosus in sea.jpg Morszczyn pęcherzykowaty - Bałtyk wyspa Frederiksø Ertholmene / Fucus vesiculosus - Baltic sea Frederiksø Ertholmene Own"
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