According to a small article today, in the Swedish daily newspaper Dagens Nyheter, an unknown creature, size of several square meters and very heavy, might have been found and cought, but fell back down to the Antarctic ocean. It was found on 250 meters depth. Read more here>> and use Google translate to read it, if you dont read Swedish. Pieces of it was still stuck to the CTD-sond they used for measuring salt level, pressure and temperature. Tissue samples says it couldnt be an octopus.