After dropping dead pigs into the sea and watching via Webcams, researchers were "very surprised" to see marine scavengers risk low-oxygen waters for a meal.

Sometimes a scientific study reveals things that were never expected to be part of the discovery.

While conducting forensic studies on human decomposition, scientists in Canada found deep sea dwelling animals taking a chance and going after a pig carcass where oxygen is at extremely low levels.

Pigs are used in decomposition studies because they are anatomically similar to humans.

The 4th pig deployment in the study was the most dramatic, recorded in the Strait of Georgia, British Columbia.

Several six-gill sharks annihilated the carcass, eliminating it within a day at more than 900 feet below sea level.

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