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Luke Whittaker, Chinook Observer

NOAA Fisheries research biologist Dr. Curtis Roegner holds a tiny acoustic tag that will be used to track green crab over the coming months. The project is the first of its kind involving green crab in intertidal areas to better understand the movements and habits of the invasive species to subsequently improve trapping efforts. "We want to find out what they do," Roegner said.