Portland Shellfish Co. Inc, Recalls Claw Island Brand Lobster Claw and Knuckle Meat Because of Possible Health Risk. Lot 25508, packaged in 2 lb bags has the potential to be contaminated with Listeria monocytogenes, an organism which can cause serious and sometimes fatal infections in young children, frail or elderly people, and others with weakened immune systems. Although healthy individuals may suffer only short-term symptoms such as high fever, severe headache, stiffness, nausea, abdominal pain and diarrhea, Listeria infection can cause miscarriages and stillbirths among pregnant women.