(AP) — In this Jan. 28, 2008, file photo Bobby Patterson, left, and Department of Natural Resources biologist Heather Brown pick through dredge samples looking for crabs aboard the Mydra Ann off of Hooper's Island, Md., as part of the annual survey of the health of the crab population in Chesapeake Bay.
Competition is tough when it comes to the canned blue crab, which is one reason Maryland fisheries officials hope to set their catch apart by touting the state's sustainable fishing methods. (AP Photo/Jed Kirschbaum, File, POOL)