Data Sources

Scientific Paper 

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 (

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)