10 weird creatures found in the deep sea .

Alien-like spindly squid
bigfin squid swimming in the deep sea

NOAA scientists captured footage of a rare bigfin squid in the Gulf of Mexico. (Image credit: NOAA Ocean Exploration)
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In November, NOAA scientists spotted a rare bigfin squid (of the genus Magnapinna) with an ROV during an expedition in the Gulf of Mexico.

The ghostly squid has a very odd body plan with huge, iridescent fins and bizarre elbow-like bends in its tentacles. "All of their arms and tentacles have this long, spaghetti-like extension," Mike Vecchione, a research zoologist with the NOAA Fisheries National Systematics Laboratory, can be heard saying in the NOAA video footage. "It's really difficult to tell the arms from the tentacles, which is very unusual for a squid."

To date, there have been fewer than 20 confirmed sightings of this deep-sea cephalopod since it was first discovered in 1998.

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