That's where the "research" bit comes in. Take that report to your fish-monger[1] and ask him about it. If he has a strong opinion about it he's probably a keeper. If not, ditch him and get your fish from somewhere else. Again, check online vendors.

1: Here's a direct link to the actual report so you don't come off as someone who gets his information from tabloid newspapers: http://oceana.org/sites/default/files/Fishy_Business_updated...