As part of their mission to reform destructive fishing practices, Ocean2012 explains the risk of catching too much fish, in motion graphics. I like the pixelated aesthetic.
See also Nigel Upchurch's video on farmed fish.
As a consumer, I'm still confused. Can someone make a list of fish I can and can't eat without disrupting ocean equilibrium?
Update: Here's another on the story of sushi by Four Story Treehouse. It uses hand-crafted figurines and is more emotionally driven. [Thanks, Nigel]