Most scientists believed the parasites' expansion was exclusively mediated by human transport-O. "But this particular parasite wasn't initially on my radar." "I was on the lookout for things that seemed out of place," said study lead author Matt Whalen, a Hakai postdoctoral researcher at the University of British Columbia who studies coastal biodiversity. ![]() Scientists found the parasite during a 2017 bioblitz, organized by the Hakai Institute and the Smithsonian Institution's Marine Global Earth Observatory, in which they intensely surveyed and documented marine life. griffenis at Calvert Island, described in a new study, represents a northward leap of more than 180 miles. ![]() ![]() By the 2000s, it had reached as far as Vancouver Island. Orthione griffenis, a cough drop-sized crustacean native to Asia and Russia, has decimated mud shrimp populations in California and Washington over the past 30 years, causing the collapse of delicate mudflat ecosystems anchored by the shrimp.
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