Invader green crabs from Europe threaten havoc in Puget Sound

20160914_gd_green_crab-550x440Emily Grason and Sean McDonald trudge through the mud of San Juan Island’s Westcott Bay on the hunt for something they hope not to find: A 3-inch menace: the European green crab. In late August, a single adult male was found for the first time in Washington’s inland sea. University of Washington researchers responded, arriving at the location of that first sighting  with hundreds of traps in tow. “It might seem like it’s crazy for us to have such an intense trapping effort for just a single crab being found. One crab, what’s the big deal?” says Emily Grason, project coordinator for the Washington Sea Grant Crab Team. “But these crabs do tend to show up in numbers and where there’s one, there’s often more.” Video, read the story here 17:24

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