A subtler but more menacing threat is the arrival of Japanese invasive species, which could skew ecological balance on the West Coast. John Chapman, an Oregon State University marine biologist, told Fox.com that his center has already found 165 alien species on floating debris so far on the West Coast. Creatures like the European blue mussel—itself introduce to Asia long ago from Europe—could imperil native species. Chapman and other scientists had doubted that the creatures could travel the long distance across the Pacific. Here are a few that made the trip on that floating dock that washed up in Washington, via OSU’s marine debris blog:

Image for article titled A floating island of Japanese tsunami debris is headed for America’s west coast

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