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Ghost sharks are among the oldest known creatures on Earth as these marine animals have been in existence since before the dinosaurs. But, little is known about these very elusive animals because they live very deep in the ocean at depths of nearly 8,500 feet.
However, a ghost shark video filmed by geologists from the California-based Monterey Bay Aquarium Research Institute in 2009 is expected to shed more light on the behavior of the elusive marine species, which is also known as chimaera.
The geologists weren't looking for ghost sharks when they sent a Remotely Operated Vehicle (ROV) for dives in the ocean. The autonomous vehicle's camera stumbled upon this strange-looking creature by accident.
Curious about the strange creature's identity, the geologists reached out to Pacific Shark Research Center's Dave Ebert, who analyzed the video the video and confirmed that the animal in the video is a ghost shark.
Dominique Didier, a marine biologist at Millersville University in Pennsylvania, said, "The only way we can collect these species is by trawling. So, it's like a snapshot. Imagine trying to understand species distribution in Lake Michigan and you sample the lake using a Dixie cup. Trawling the ocean is like that."
The fish in the video is determined to be a pointy-nosed blue chimaera (Hydrolagus trolli). This strange species is known for having retractable genital on the head. These fish feed on small creatures like molluscs and worms.
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