When the big tsunami hit Japan in 2011, many objects were washed out to sea. This flotsam provided for a giant "rafting event." A rafting event is when animals, plants, etc. float across an otherwise uncrossable body of water and end up alive on the other side. With this particular event, I don't think very many terrestrial life forms crossed the Pacific, but a lot of littoral -- shore dwelling and near shore -- animals and plants did.
Even though the Pacific ocean is one big puddle and you would think that any organism anywhere in it could just go to any other part of the ocean, like in the…
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