ALL bluefin tuna caught off West Coast are radioactive
According to recent studies and researches all of the Bluefin tuna caught off the U.S. West Coast are likely carrying radioactive isotopes from the 2011 Fukushima disaster.
Reason plus to avoid eating Pacific Bluefin tuna which are also one of the endangered species.
The over-fishing is responsible for the reduced population to only 3,6 %, so can you imagine what further effects will have the poisoning on this endangered fish.
In March 2011, a massive earthquake and tsunami triggered multiple meltdowns at Japan’s Fukushima Daiichi nuclear power plant. Explosions launched enormous amounts of radioactive material into the air, most of which settled into the Pacific Ocean. Since then, radioactive material has continued to leak into the ocean from the plant.
The radioactive materials are still presents and circulate in the form of radioactive cesium. Cesium-134 has a half-life of two years, and essentially all of it in the Pacific Ocean comes from the Fukushima disaster. Cesium-137 has a half-life of 30 years. Much of the Cesium-137 in the Pacific dates to nuclear tests as far back as the 1950s.
Every fish exposed
Since the radioactive materials are present in the water they easily become part of the food chain. Tuna belong in the top predators and with composition accumulates all the toxins in their bodies’ nit only cesium.
In a 2012 study, researchers from Stanford University and Stony Brook University tested the radioactive cesium levels in Pacific bluefin tuna caught off the coast of California. They found the radioactive element in every single fish tested.
“We found that absolutely every one of them had comparable concentrations of cesium 134 and cesium 137,” researcher Nicholas Fisher said.
Overall levels of radioactive cesium had increased 3 percent in the year since the Fukushima disaster.
“The tuna packaged it up and brought it across the world’s largest ocean,” lead researcher Daniel Madigan said. “We were definitely surprised to see it at all and even more surprised to see it in every one we measured.”
This study came right after the disaster, and then the exposure was on minimum level. Now, Pacific Bluefin tuna being sold for consumption have spent nearly their entire lives being exposed to this radiation.
A 2013 assessment by the International Scientific Committee for Tuna and Tuna-Like Species in the North Pacific Ocean (ISC) found that roughly 90 percent of Pacific Bluefin tuna caught has not yet reached maturity, which occurs at about five years. The Fukushima disaster took place about five years ago, in March 2011.
No matter if the radiation happened in the waters off the coast of near Japan, but the fish swim across the entire ocean and spread the radiation till the coast of North America.
Radioactivity levels tripled
According to a 2014 study conducted by researchers from Oregon State University and published in the journal Environmental Science and Technology found even more dramatic effects of the Fukushima disaster on sea life, particularly on Albacore tuna.
And according to scientific studies the levels of radioisotopes are tripled compared to the level of radioactive isotopes in tuna caught off the Coast of Oregon between 2008 and 2012.
“ A year of eating albacore with these cesium traces is about the same dose of radiation as you get from spending 23 seconds in a stuffy basement from radon gas, or sleeping next to your spouse for 40 nights from the natural potassium-40 in their body,” he explained. “It’s just not much at all” – according to Delvan Neville.
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