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Narrowleaf Sargasso seaweed algae on sandy beach in summer beach
Seaweed on sand in the sea near beach
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Common shore crab, also known as the european green crab, Carcinus maenas, stands on green seaweed wielding seaweed in its left claw.
Piece of washed up seaweed in bright September sunshine on the pristine sand at Pedn Vounder Beach, Cornwall.
Small warty crab on stones and  sea lettuces
The brandished claw of a shore crab hiding in a hole is visible during low tide in the Puget Sound, Washington state, USA.
A small red crab on seaweed-covered stones, close-up. France
Seaweed and sand on North Sea coastline
Roots and wood rotting on edge of shore of water
Background image of fine green seaweed, growing on wooded groyne, at low tide. Portobello beach, Edinburgh Scotland.
Beautiful piece of amber among the seaweed or algae on the sandy beach
Daytime top view close-up of Seaweed (Fucus Vesiculosus) at the Dutch Wadden (the Wadden Sea, a World Heritage Site) near Termunterzijl {Groningen), shallow DOF
crab coming out of the sea, near the shore, into the sand on a sunset background
Bladderwrack or rockweed on the stony beach at Hvalsey Beach outside Qaqortoq - Julianehåb on a sunny summers day
Thus is a photo of a crab on Carkeek beach in Seattle, Washington.
The Haystack Rock. a monolith, is the third-tallest intertidal structure in the world. The tidal pools around are home of many intertidal animals.
plage du Sillon à Saint-Malo
Close up of Seaweed in Sand on a Beach
Macro close up image of a crab next to bright green kelp.
A Red Rock Crab sets on an Eel grass covered shore. The crab is small (~4 inches) and is common on Puget Sound Washington shores.
Beautiful seaweed seen on the beach on the west coast in British Columbia.
Autumn mood in nature. Waves rolling in
Green algae covered boulders at sea coast beach. Background and surface texture. Sea algae or Green moss stuck on stone. Rocks covered with green seaweed in sea water.
Kelp in the summer ocean at the arctic coast in the fjord at Nuuk the capital in Greenland
Shore crab, Carcinus maenas, walking on sea lettuce, Ulva lactuca, on saltwater tidal flats at low tide of Waddensea, Netherlands
Rockweed (Fucus gardneri) has lacy mounds of flat, greenish-brown leaves.  It is a brown hairless alga that is part of intertidal life along the Pacific North American coast.  When mature, the tips become bladders that puff up with a mixture of gas bubbles and jelly to make it float in the water.  This allows the wide, mitten- like blades of the seaweed to be exposed to sunlight.  These blades are used as a location for fish to lay eggs and sperm.  The Holdfast is the section that keeps the seaweed anchored to a rock, so it doesn’t wash ashore with the tides.  The Blades are wide to catch sunlight for photosynthesis.The tips are edible.  Settlers referred to them as “Indian popcorn” because Aboriginal Tribes dried them to eat.  \nOther names are bladderwrack and popweed.
Dwarf eelgrass, Zostera noltii, over the beach sand in Galicia, Spain
This is a nature background of sargssum seaweed photographed at the beach in Akumal on a spring day in Mexico.
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