O, octopus, where art thou? (A video)

There are many startling videos of octopuses doing surprising octopus things. This video, by Flora Lichtman for Science Friday, is one of the most very all of that:

The scientist is Roger Hanlon. The octopus is nameless. (Thanks to investigator Susan Kany for bringing this to our attention.)

BONUS: From long ago, Bill Saidel and the perplexing flounder: To Sea, and Not to See