A still of an adult bigfin squid caught on camera. (NOAA Ocean Exploration) A ghostly squid with huge, iridescent fins and funky, elbow-like bends in its tentacles is rarely seen, but scientists recently captured stunning footage of the elusive animal during an expedition in the Gulf of Mexico. To date, there have been fewer than 20 confirmed sightings of this deep-sea cephalopod, known as a bigfin squid (Magnapinna), and this recent sighting adds one more to the list, according to a statement from NOAA Ocean Exploration. National Oceanic and Atmospheric Administration (NOAA) scientists spotted the elusive squid on their recent...