"Radioactive material is easily diluted by seawater, so 'fish and seafood are likely to be unaffected,'" the FDA told the Wall Street Journal. Whew.
That said, the journal reports that the "FDA is taking 'all steps' to evaluate and measure any contamination of fish and other food products. So, if a vast radioactive cloud dissipates over the Pacific Ocean, chances are your tuna roll won't glow in the dark. However, a little radioactivity could give some extra kick to your wasabi, not to mention a possible spike in web traffic for Ohio-based rock band Radioactive Sushi. Just say'n.