Radioactive tuna crosses Pacific to US.

Here we go, the first radioactive tuna have reached the US but don’t worry they are save to eat.

Across the vast Pacific, the mighty bluefin tuna carried radioactive contamination that leaked from Japan’s crippled nuclear plant to the shores of the United States 9600 kilometres away – the first time a huge migrating fish has been shown to carry radioactivity such a distance.

“We were frankly kind of startled,” said Nicholas Fisher, one of the researchers reporting the findings online overnight (NZ time) in the Proceedings of the National Academy of Sciences.

The levels of radioactive cesium were 10 times higher than the amount measured in tuna off the California coast in previous years. But even so, that’s still far below safe-to-eat limits set by the US and Japanese governments.

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