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Lush green sea grass underwater- Posidonia Oceania
Scuba diving into coral garden at Ishigaki island, Japan
Eye level with a Lemon Shark (Negaprion brevirostris). Blue sea behind & shadow on the sea floor. Ramora (suckerfish) in attendance.
Dictyota fasciola  algae from Mediterranean rocky coast
Harbor Seal diving underwater (Phoca vitulina) or Common Seal
Red Seaweed Blooms Floating in Clear Water.
Geirangerfjord near Hellesylt in Norway.  This is seaweed in the Fjord.
Colors of marine algae underwater in the Atlantic ocean, Galicia, Spain, Pontevedra
Fresh Scallops, pecten maximus, Fresh Scallops, pecten maximus
Floating sea weed (Codium Fragile)
Underwater photo from a scuba dive in the Red sea.
Underwater environment beneath the ocean surface with seaweed and kelp beds.
Picture shows a lemon shark during a scuba dive
Leafy Seadragon, Phycodurus eques, from  Western Australia.
Common seadragon or weedy seadragon is a marine fish related to the seahorse. Adult common seadragons are a reddish color, with yellow and purple markings. Some have small leaf-like appendages that look like kelp. This provides protection from any enemy. They are related to the seahorse. This image was shot with a Nikon D3s camera and with a Tamron 16 - 300mm lens.
Autumn mood in nature. Waves rolling in
Floats allowing brown sargassum algae to float in shallow sandy sea on sunny day
Frozen tree leafs in forest. Top view. Top view.
An amazing sea animal - nudibranch (sea slug) - Dendrodoris tuberculosa. Underwater macro life of Tulamben, Bali, Indonesia.
View of the grey reef shark (Carcharhinus amblyrhynchos) at the Ulong Channel in Palau - Micronesia
A Port Jackson Shark Swimming
Tasselled Wobbegong Eucrossorhinus dasypogon occurs in Eastern Indonesia, Papua New Guinea and Northern Australia. This ovoviviparous species can reach more than 3.5m length, common length is less than 2m. The tough skin is used sometimes for leather. Tasselled Wobbegong is threatened by extensive coral reef habitat destruction (pollution and dynamite fishing), as well as expanding fisheries. A considerable section of its habitat is protected in the Great Barrier Reef Marine Park. This specimen lies at the sandy bottom in an outer reef east of Kri Island. This shark species is primarily nocturnal. It\
amazing inhabitants of the microworld under a microscope
Cute Australian fur seal or sea lion resting in seaweed
Green and red algae on underwater rocks (Enteromorpha, Ulva, Ceramium, Polisiphonia), Black Sea
Anthopleura xanthogrammica, or the giant green anemone, is a species of intertidal sea anemone of the family Actiniidae. Other  names for this anemone include green surf anemone, giant green sea anemone, green anemone, giant tidepool anemone, anemone, and rough anemone.  Salt Point State Park, California.
Glaucus atlanticus Forster, 1777
Off the Island of Fakarava there is a famous dive site called the 'Wall of Sharks' where over 500 sharks can be seen at anythime. Considered to be one of the best dives in the world.
close-up of coastal algae
Giant clam - Tridacna maxima  Underwater Sea life  Coral reef  Underwater photo Scuba Diver Point of View Red sea
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