The toothy maw of a great white shark has populated the nightmares of many a beachgoer.
Photograph by David Doubilet, National Geographic Creative
An oceanic whitecap shark near the Bahamas passes a diver and looks right into the camera.
Photograph by Brian Skerry, National Geographic Creative
The Japanese swellshark can be found off the coasts of Japan, Korea, China, and Taiwan.
Photograph by David Doubilet, National Geographic Creative
The Tasmanian sawshark belongs to a group of sharks known for their deadly looking snouts.
Photograph by David Doubilet, National Geographic Creative
The great hammerhead—considered endangered by the IUCN Red List—is the largest of the nine hammerhead shark species.
Photograph by Brian Skerry, National Geographic Creative
This is the unlucky victim of abandoned fishing gear called ghost nets.
Photograph by Brian Skerry, National Geographic Creative
A 12-foot (3.7-meter) tiger shark roams the waters off Tiger Beach in the Bahamas.
Photograph by Brian Skerry, National Geographic Creative
Silky sharks and yellowtail snappers swirl through the Caribbean Sea near Cuba.
Photograph by David Doubilet, National Geographic Creative
Nurse sharks bump into one another while swimming in the Hol Chan Marine Reserve near Belize.
Photograph by Brian Skerry, National Geographic Creative
The Greenland shark—the world's slowest swimming shark—cruises beneath some sea ice near Baffin Island in Canada.
Photograph by Nick Caloyianis, National Geographic Creative