In this photo taken Tuesday, Nov. 10, 2015, Jinsen Zhao pulls an imported Dungeness crab from the Northwest out of a cooker at Fisherman's Wharf in San Francisco.
In this photo taken Tuesday, Nov. 10, 2015, Jinsen Zhao pulls an imported Dungeness crab from the Northwest out of a cooker at Fisherman's Wharf in San Francisco. Eric Risberg AP
In this photo taken Tuesday, Nov. 10, 2015, Jinsen Zhao pulls an imported Dungeness crab from the Northwest out of a cooker at Fisherman's Wharf in San Francisco. Eric Risberg AP