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Green seaweed with sparkling running water running down it
Lush green sea grass underwater- Posidonia Oceania
Fresh brown Seaweed on white Background
Underwater landscape, Black Sea. Green, red and brown algae on the seabed (Ulva, Enteromorpha, Ceramium, Cladophora, Porphira)
A view point from a scuba diver looking up towards the surface of the water as they come up, chasing the air bubbles as they breath out.
forest of South African kelp, Ecklonia maxima, at Pyramid Rock, False Bay, South Africa
Sea weeds green on the ocean floor off the coast of Brittany, France during a beautiful summer day.
Sea weed and clear water background
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
Extreme close-up of sargassum seaweed under rippling water with flowing leaves.
Floating sea weed (Codium Fragile)
Floats allowing brown sargassum algae to float in shallow sandy sea on sunny day
A large fish swims between tall kelp just off Catalina Island
Fascinating patterns created by giant kelp, said to be mermaid's hair, along the coast of the city of Bluff at the southermost point of the Southern Isalnd of New Zealand
This is a photograph of starfish visible on the rocks at low tide on Bandon Beach along the Oregon coast of the Pacific Northwest USA.
A diver surfaces in a beautiful ocean underwater
Golden kelp, Laminaria ochroleuca seaweed, brown algae underwater in the ocean, Atlantic, Spain, Galicia
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.
Dense thickets of green marine grass Posidonia, on blue water background. Green seagrass Mediterranean Tapeweed or Neptune Grass (Posidonia). Mediterranean underwater seascape. Mediterranean Sea, Cyprus
Green algae on the seabed (Ulva, Enteromorpha, Cladophora). Underwater landscape, Black Sea
Kelp growing underwater
Two detached fronds of brown kelp Ecklonia radiata on flat coarse seafloor. Location: Leigh New Zealand
Masses of kelp, a kind of giant seaweed, in the ocean, brightly lit.
Fresh Seaweed on white Background
Close-up shot of tangled seaweed washed up on the shore taken by the sea in Northumberland. The sea and rocky shore can be seen in the background. Declines in seaweeds due to ocean acidification  leave Britain and other coastlines open to the damaging effects of the sea, which reduce the stability of the land. Inhabitants of the seaweed forests, like fish, are also at risk of losing their habitat.
Green Seaweed in Hayama,Kanagawa.
Horizontal high angle closeup photo of a variety of seaweed washed up on a rock platform at the beach in Summer. Ulladulla, south coast NSW.
Image made in Zakynthos.
Wet shiny seaweed on the Thames estuary
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