1NOAA-National Marine Fisheries Service, Southwest Fisheries Science Center, 8604 La Jolla, Shores Drive, La Jolla, California 92037, USA
2Department of Zoology, University of British Columbia, 6270 University Blvd., Vancouver, British Colombia, Canada V6T 1Z4
3Conservation and Fisheries Department, Ministry of Natural Resources and Labour, Government of the British Virgin Islands, Road Town, Tortola, British Virgin Islands