Several species of sharks congregate at Triangle Rocks off Bimini, in the Bahamas, where researchers observe them.
CREDIT: Photograph by Grant Johnson.
Curious blue shark
A shark cruises in from the open seas off Rhode Island. The species engages in such a rough mating ritual that female blue sharks have much thicker skin than males.
Photograph by Neil Hammerschlag.
Shark patrol
A local villager out on community patrol near the island of Batanta, Raja Ampat, guarding against cyanide and blast fishing.
CREDIT: Photograph by Sterling Zumbrunn/Copyright Conservation International.
Shark hunter
Mark “the Shark” Quartiano displays a dead hammerhead shark he caught. Quartiano makes his living taking tourists and celebrities fishing for sharks off Miami Beach.
Photograph by Mark Quartiano.
Great white shark
In less than a second, a great white launches its one-ton body in pursuit of a seal off Seal Island, South Africa. The phenomenon attracts tourists and researchers to the area.
CREDIT: Photograph by Neil Hammerschlag.
Jaws
The mechanical shark Bruce, shown here on the set of the Steven Spielberg film Jaws, terrified audiences across America in the 1970s.
CREDIT: Photograph by Edith Blake.
Shark traffic
Gray reef sharks swim over a coral reef near Malden Island, in the southern Line Islands.
Photograph by Enric Sala.
Dead sharks
Stacked shark carcasses await processing. Up to 30 percent of all shark species are threatened or nearly threatened with extinction; for an additional 47 percent there is not enough data to make an accurate assessment.
Photograph by Shawn Heinrichs.
Shark dealer
A Hong Kong shark-fin dealer prepares dried fins to sell to restaurants.
