Do you think he's buying fish from China because of the stringent quality control in place over there?
Of course not. He buys it because it is the cheapest on the market.
Someone with pride in their work would never put that filth on a plate.
Well I did some poking around and it turns out the disparity in inspection rules is a sore point with the U.S. catfish industry, and some of what is marketed as catfish is not what we would normally expect to find on our plates when we order catfish.
Write up on catfish from Asia by the Alabama Cooperative Extension ServiceTwo articles from The Catfish Farmers of America:
U.S. Catfish Industry Takes Stand on USDA Inspections On USDA inspections 
