1 University of North Carolina Asheville, Asheville, NC 28804, USA. rrhelm@gmail.com.
2 Smithsonian Institution National Museum of Natural History, Washington, DC 20560, USA.
3 Australian National Centre for Ocean Resources and Security, University of Wollongong, Wollongong NSW 2522, Australia.
4 The Pew Charitable Trusts, Washington, DC 20004, USA.
5 Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA.
6 SpeSeas, D'Abadie, Trinidad and Tobago.
7 Natural History Museum, London, UK.
8 Harvard University, Cambridge, MA 02138, USA.
9 Multidisciplinary Institute for Environmental Studies "Ramon Margalef" and Department of Ecology, University of Alicante, 03690 Alicante, Spain.
10 Mission Blue, Napa, CA 94581 USA.
11 University of the Western Cape, Bellville 7535, Republic of South Africa.
12 Palau International Coral Reef Center, Koror, Palau.
13 Monterey Bay Aquarium Research Institute, Moss Landing, CA 95039, USA.
14 School of Biological Sciences, Queen's University Belfast, BT9 7DL, Northern Ireland.
15 Department of Biology, University of Southern Denmark, 5230 Odense-M, Denmark.
16 Marine Science Institute, University of California Santa Barbara, Santa Barbara, CA 93106, USA.
17 Marine Conservation Institute, Seattle, WA 98103, USA.
18 CORDIO East Africa, Mombasa, Kenya.
19 Earth, Ocean and Atmospheric Sciences Department and the Institute for the Oceans and Fisheries, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada.
20 School of Environment and Science, Griffith University, Southport, QLD 4222, Australia.
21 MarViva, San José, Costa Rica.
22 University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
23 National Institute of Polar Research, Tachikawa, Tokyo, 190-8518, Japan.