Only two other giant squid have ever been found in Tasmania, in 1986 and 1991.
There are dozens of species of large squid in the world's oceans, but the giant squid is by far the largest.
The hard beaks of giant squid, a main source of food for sperm whales, have often been found inside lumps of ambergris.
After more than a decade of going out to sea in search of the giant squid, he relished the moment he came face-to-face with it.
At a depth of 640 meters (2, 100 feet), the giant squid appeared and wrapped its arms around the bait, eating it for over 20 minutes before letting go.
Japanese zoologist Tsunemi Kubodera, who was on board the submersible at the time of the encounter, was able to lure the giant squid with a one-meter (three-foot) -long diamond squid.
"What we were able to gain from this experience was the moment of the giant squid attacking its prey we were able record that, " said Kubodera, who has been researching the giant squid since 2002.
" Or "consider the fabled giant squid with eyes the size of soccer balls and trailing tentacles that can reach lengths of 60 feet.... No person as far as we know has ever seen a giant squid alive.
So perhaps, after over 10 years of some kind of relationship I've built with the giant squids, I feel, perhaps, it was the squid that came to see me.
Instead, in 1939 the two researchers exiled themselves to Plymouth, where the Marine Biological Association has a laboratory, and turned to the nerve cells of squid a species that has what are known as giant axons.
Giant squids are infamously bad listeners, and the whale just wants to kill the squid!
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