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Science News for May 10, 2002


Ominous signs of cryptic marine invasions

Researchers suspect that a six-armed brittlestar, common in shallow coral reefs, may have invaded the western Atlantic via ships over the past two centuries. Genetic markers indicate massive long-distance dispersal and recent mixing of populations from the Pacific and Indian Ocean, raising concerns about ecological consequences.

SourceSmithsonian Tropical Research Institute·JournalProceedings of the Royal Society of London·DateMay 10, 2002