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Credit: Scott Olson/Getty ImagesTheres an idea floating around the web that perhaps early seafarers mistook these belugas for mermaids.relatedPlaylistVideos:[]}; data.

so it can be quite prominent along the sides of the swimming whales as they move around.My guess would be just the angle and movement of the animal through the water is causing this distortion in appearance of the blubber and maybe muscle.title:Ever wonder how the universe might end?.

This insulating blubber accounts for around 40 percent of a belugas body weight.which excites the web from time to time.

But a popular image of a surfacing beluga has for years created the curious illusion of a whale with legs and knees.

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