Found this to be intriguing, relieving and credible.
Is the sea floor littered with dead animals due to radiation? No.
Exerpt:
"The reason I am unfamiliar with a study providing evidence of “Dead sea creatures cover 98 percent of ocean floor off California coast; up from 1 percent before Fukushima” is because no such study exists. Here are the details of the actual study."
Natural News story that started the hullabuloo