This was something of a lost weekend for me, with a lot of behind-the-scenes distractions, so I forgot to put up a Friday Cephalopod. So here's a belated Monday Cephalopod to make up for it all.
More like this
That's not hyperbole. I really mean it.
Ocythoe tuberculata
I was reading a review paper that was frustrating because I wanted to know more—it's on the evolution of complex brains, and briefly summarizes some of the current confusion about what, exactly, is involved in building a brain with complex problem solving ability.