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Jellyfish Swam Through Norway's Fjords Like Alien Life Forms (PICTURES)

25/05/2012 13:40 | Updated 25 May 2012

They look like alien life forms but they are actually jellyfish swarming through Norway's fjords.

The invertebrates, which range in size from one centimetre to a metre, were photographed as they hunted for plankton on the surface of the water.

Photographer Espen Rekdal's images capture the colours and striking patterns of each translucent being in intricate detail.

Some look like parachutes as they float through the water, dragging their tendrils behind them. Others appear to light up the dull waters with their ethereal glow.

Rekdal said: "The deep sea jellyfish, featured here is a special phenomena occurring in only a couple of special fjords.

"These jellyfish are found worldwide in very deep water.

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"But here in Norway there are a couple of deep fjords were they come up from the deep to feed during the night.

"Like vampires their cellular structures disintegrate when hit by daylight and they quickly return to the depths at the break of dawn."

Rekdal, from Romslo, near Bergen, was able to take the shots by diving with specialist underwater camera equipment.

His camera was carefully housed in aluminium watertight casings which have glass portholes to photograph through.

He admitted taking the photographs was no easy task. Even the slightest movement or flash of light could send his subjects diving out of sight.

He said: "Light use is kept to a minimum as the jellyfish quickly react to the light and seek refuge in deeper water.

"The jellyfish, some up to a meter in diameter when arms are extended, swarm in the hundreds, all strutting their arms in hope of catching prey.

"The tricky part is to approach the jellyfish slowly and with as little light as to not warn them of your presence.

"After the first shot is fired the jellyfish will turn and head for deeper water. Getting good shots is a challenge."

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