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