While I imagine it would be funny to see an octopus aggravate a shark, I hate to think of the consequences of combining the two. You should post a link to the video.
I used to think it was funny that my little bitty Basenji dog picked on my girlfriends Pit Bull Dalilah. After a few months of it, Dalilah didn't think it was funny any more. Then Senji's head and my hands didn't think it was funny anymore either. Get my point?
Please reconsider your housing choices. Not trying to be rude. It just reminds me of something my grandfather once said. Crossing the ocean in a paddleboat is possible, but not probable. You can relate that to a whole lot more than just crossing the ocean in a paddleboat.