1. Global Fishing Watch, Washington, DC 20036, USA.
2. Korea Maritime Institute, Busan, South Korea.
3. Australian National Centre for Ocean Resources and Security, University of Wollongong, Wollongong, NSW 2522, Australia.
4. Environmental Studies Department, University of California at Santa Cruz, Santa Cruz, CA 95064, USA.
5. Marine Geospatial Ecology Lab, Nicholas School of the Environment, Duke University, Durham, NC 27708, USA.
6. SkyTruth, Shepherdstown, WV 25443, USA.
7. Japan Fisheries Research and Education Agency, Yokohama, Japan.
8. Planet Labs, San Francisco, CA 94107, USA.