1. Marine Fish Division, Department of Fisheries and Oceans, Bedford Institute of Oceanography, Dartmouth, Nova Scotia, B2Y 4A2, Canada
2. Department of Biology, Dalhousie University, Halifax, Nova Scotia, B3H 4J1, Canada
3. The Lobster Conservancy, Friendship, Maine 04547, U.S.A.
4. Conservation and Research Center National Zoological Park, Smithsonian Institution, Washington, DC 20008, U.S.A.