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Glaucus atlanticus Forster, 1777
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
Larva of Beetle Curtimorda maculosa on hymenophore of the fungus rusty gilled polypore Gloeophyllum sepiarium.
Seaweed on the Welsh coastline
seaweed closup
Ricordea Mushroom (Ricordea yuma)
Overgrowth by aquatic organisms (Balanus) and algae on rocks on the shores of the Pacific Ocean in Olympic National Park, Washington, USA
Haliotis kamtschatkana, northern abalone or pinto abalone, is a species of large sea snail, a marine gastropod mollusc in the family Haliotidae, the abalones. It has been listed as \
An image of several large rocks covered in thick green sea grass at low tide.
A feeding Fungiid Coral by night, probably a Fungia granulosa (quite thick septa, alternating long and short). \nFungia, also known as mushroom coral due to the distinctive mushroom-like appearance, is a type of solitary hard corals, meaning they grow individually and do not form colonies like some other coral species.\nTriton Bay, Indonesia \n3°54'2.976 S 134°6'24.192 E at 6m depth
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.
Giant clam - Tridacna maxima  Underwater Sea life  Coral reef  Underwater photo Scuba Diver Point of View Red sea
A Lined Chiton (Tonicella lineata) on a Puget Sound beach at low tide
Barnacles and mussels attached to a rock in a tidal pool along the coastline of Newport Beach, California during the winter.
Marine life in exposed rock pools at low tide, Saunton Sands, Devon
Rat tailed maggot photographed in a studio
lychee fruit is an exotic fruit in water closeup macro photography
Whip Coral or Wire Coral Goby Bryaninops yongei occurs in the tropical Indo-Pacific, usually in pairs on Wire Coral Cirripathes anguina in a depth range from 3-45m, length 3.5cm. The body of this fish species is translucent, so the vertebral column is completely visible. length 3.5cm. Cirripathes anguina is found along current-swept drop-offs or backreefs. \nTriton Bay, Kaimana Regency, Indonesia 3°57'4.9417 S 134°8'1.0322 E at 21m depth
Barnacles, opening and closing with the seawater, at shore
Texture of sea stone with shells
Detail of small tunicates colonizing a coral reef in Komodo National Park, Indonesia. Tunicates filter organic material from the ocean, improving water quality.
Mussels
The Bobbit Worm (Eunice aphroditois) is a fearsome marine predator that burrows into the sand and waits for unsuspecting prey to come within striking distance. With its long, serpentine body and sharp, tooth-lined jaws, it's a force to be reckoned with in the underwater world.
Close-up of barnacles on the beach at low tide
Bivalve mollusc European date mussel or date mussel (Lithophaga lithophaga) undersea, Aegean Sea, Greece, Alonissos island, Chrisi Milia beach
Dash Lined Hermit Crab Pagurus decimbranchiae, a right-handed crab, occurs in the tropical Western Pacific from Indonesia to Japan in a depth range from 0-9m an coral reef slopes, on sandy bottom of lagoons, max. size 1.5cm. \n\nTriton Bay, Indonesia \n3°43'41.1276 S 133°53'39.1056 E at 7m depth by night
Tonicella lineata is a very colorful species of chiton from the North Pacific.
This is a photograph taken on a mobile phone outdoors in during the summer of 2020 of starfish and anenome crowded on a rock at low tide on Bandon Beach, Oregon.
The island of Oahu, in the state of Hawaii, from old camera film in 1987.
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