Seafish and the fishing industry are cod-a-hoop recently, because it seems that cod stocks are doing better. You may have missed the news, but the story is that the EU's scientific advice suggests that stocks of North Sea cod have increased 5% in the last year, and are up a whopping 40% from the average in 2005-2008.
Sounds like great news. And of course any increase in a rampantly-overfished population of animals is to be welcomed. But it needs to be set in context.