The video was recorded in 2011, via a Remotely-Operated Vehicle (ROV) in the northern Gulf of Mexico. The machine was operated by Mako Technologies and was part of a research project called SERPENT, which is a collaborative effort between marine researchers and the oil and gas industries.
According to the authors of the study documenting the observation, there were "five in situ observations of live oarfish". The research was published online in the June issue of the Journal of Fish Biology.
What is an Oarfish?
Little is known of the physiology and nature of oarfish, given their natural habitat is often in excess of 3,200ft below sea level. The largest officially documented specimen was reported at 36ft in length but the average is believed to be 10ft.
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