Chapman, D., et al. "Tracking the fin trade: Genetic stock identification in Western Atlantic scalloped hammerheads sharks (Sphyrna lewini)." Endangered Species Research (December 2009).
The World, 2004 (Blue Marble: Next Generation; satellite: NASA Terra/Aqua, sensor: MODIS)
Hammerhead sharks (Seawatch.org)
Fins in bags (Jessica King, Marine Photobank)
Finned sharks on a confiscated Taiwanese fishing boat (Mike A. McCoy/Marine Photobank)
Scalloped hammerhead shark distribution (Map data courtesy of Demian Chapman, Institute for Ocean Conservation Science)