Wow... that video was pretty awful. Everyone was saying it was just reflexes, but I looked pretty close, the heart, lungs, kidney, etc all seemed to still be intact. That fish could very much have still been alive. That's just some Hannibal lector shit right there. Put the thing out of its misery.
That said, I had the BEST Sushi at a wedding at Seasons last night, I even liked the Octopus which I usually can't stand.
Oh yeah, The way I prepare Porgies, is to gut them on the boat, put in a plastic bag on ice, and then give them to my best friend who loves oily fish.