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A terrifying predator of the deep sea has been sighted in much shallower waters than ever before.
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Duncan Roberts had been swimming across the iconic Scottish loch when he encountered something in the water.
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Paranormal investigators recently picked up something unusual on camera during an event at an Edwardian swimming pool.
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A pre-school teacher in New Orleans has been attempting to identify a strange animal that she filmed at a local park.
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A research group has posted up footage of what appears to be a sonar hit of a large creature swimming in the lake.
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This ridiculously long limo comes complete with a swimming pool, mini-golf course and even a helicopter pad.
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This innocent snap captured during a family day out to a popular swimming spot appears to show something unexpected.
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This unique and brightly colored natural wonder might look pretty, but you definitely don't want to swim in it.
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Palaeontologists have discovered the fossil remains of a 70 million-year-old carnivorous fish in Patagonia.
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One of the largest predators ever to walk the face of the Earth has turned out to be a surprisingly skilled swimmer.
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Photographer Patrick Coyne has captured incredible footage of dolphins swimming in bioluminescent waters.
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Recently released footage shows what looks like a large creature swimming in Okanagan Lake, British Columbia.
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Video footage of a large snake-like creature swimming in the Yangtze River recently went viral on social media.
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Footage showing a large serpentine animal swimming away from Loch Ness has recently emerged online.
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Motorists this week were met with the unusual spectacle of dozens of salmon swimming across a highway.
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Saga Vanecek discovered the pre-Viking-era relic while swimming near her family's holiday home in Sweden.
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French long distance swimmer Ben Lecomte has set off in a bid to become the first person ever to swim the Pacific.
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The NOAA's Okeanos Explorer vessel filmed this extraordinary cephalopod during a recent expedition.
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A swimming club in Australia has appealed for ships to keep a look out for its recently escaped mascot.
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Nicknamed Pearl, the reptile was seen swimming around in the Adelaide River near Darwin on Sunday.