CSIRO during a deep-sea research voyage in 2015 and 2017, shows the elusive creature slowly swimming with its long, dainty tentacles trailing behind.CSIRO, Australia’s national science research agency, found the squid swimming at depths of up to 3,258 meters below the water’s surface.The bigfin squid belongs to the family Magnapinnidae, a group of deep-sea squid which have large fins and extremely long, slender arm and tentacle filaments, according to CSIRO.One of the squid captured on video had tentacles that were as long as 1.8 meters."Sightings of bigfin squid are very rare.
These are the first records in Australian waters, adding to only a dozen confirmed sightings worldwide," Marine scientist Deborah Osterhage, said.AdvertisementRELATE.