TOM GRUBER FIRST FOOTAGE OF HAWAIIAN DAY OCTOPUS WHO RECOGNIZEAD HERSELF ?! DO YOU AGREE?

I think Octopuses might be the most intelligent of sea creatures, other than the whales.  In this video, Tom  Gruber, the inventor of Siri, filmed one that saw itself in a mirror.  To be honest, I think the octopus saw another octopus.  DO YOU THINK IT KNEW IT WAS LOOKING AT ITSELF?