http://www.naturalnews.com/2017-02-16-fukushima-radiation-now-reported-in-west-coast-tuna.html

You may want to consider only buying tuna if it you're sure it was farm-raised or caught in the Atlantic Ocean.

In related news, two robot probes were sent into Fukushima's unit 2 reactor, and both died before completing their mission:

https://www.engadget.com/2017/02/18/fukushima-reactor-robot-2-breaks/

http://www.cbsnews.com/news/bad-news-from-japans-wrecked-fukushima-nuclear-reactor/