Deep Sea Ocean Floor Fish

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Deep sea ocean floor fish.

These creatures live in very demanding environments. Altogether the deep sea floor makes up about 71 of the world s oceans with shallow waters such as continental shelves making up 29. To catch these deep sea dwellers fishers usually drag nets along the ocean floor a quarter of a mile or more beneath the ocean s surface a form of fishing called bottom trawling. Deep sea fish are fish that live in the darkness below the sunlit surface waters that is below the epipelagic or photic zone of the sea the lanternfish is by far the most common deep sea fish.

Nearly half of the world s sea floors are over 3 000 meters 9 800 ft deep. Watch this video of a camouflaged frogfish lurking on the ocean floor. A brine pool is a volume of brine collected in a seafloor depression. Little or no light penetrates this part of the ocean and most of the organisms that live there rely for subsistence on falling organic matter produced in the photic zone for this reason scientists once assumed that life would be sparse.

This family of deep sea mediterranean and atlantic fish about 50 species in all have mouths nostrils and eyes on the. Only about 2 of known marine species inhabit the pelagic. Deep sea creatures photos adaptation is the name of the game when you live thousands of feet below the water s surface. The term deep sea creature refers to organisms that live below the photic zone of the ocean.

Brine pools are commonly found below polar sea ice and in the deep ocean. The deep sea or deep layer is the lowest layer in the ocean existing below the thermocline and above the seabed at a depth of 1000 fathoms 1800 m or more. In most of the world the ocean floor is very deep averaging 3 790 meters 12 430 ft in depth. Most creatures have to depend on food floating down from above.

Other deep sea fishes include the flashlight fish cookiecutter shark bristlemouths anglerfish viperfish and some species of eelpout. These creatures must survive in extremely harsh conditions such as hundreds of bars of pressure small amounts of oxygen very little food no sunlight and constant extreme cold. These pools are dense bodies of water that have a salinity three to eight times greater than the surrounding ocean. For deep sea brine pools the salt can come from one of two.