Rosenblum explains: ’If you spot an octopus and offer it a shell, depending on its living situation and mood, it may take it and move from its old container to your offered shell. But you better bring a good shell - they’re picky. If they don’t like what you’ve offered, they may toss it aside and stay hunkered down in their current dwelling.’
They usually prefer coconut husks, but hey, whatev’.
They are able to fit completely inside, but can also spread their arms and walk on the see floor with the shell.
