Want to watch better-quality PBS Video? Sign in to access HD streaming!
Sharks are beleaguered species. The oceans’ most formidable apex predators are overfished worldwide for their fins, which are considered a delicacy in many Asian countries. Shark populations have declined by up to 90 percent in some cases. But much is still unknown about the animals. Tiger sharks in particular display behaviors that are not well understood. Known to travel long distances, th
Major funding for this program is provided by the Batchelor Foundation, encouraging people to preserve and protect Americas underwater resources. Additional funding is provided by: Divers Direct/Emocean Sports, inspiring the pursuit of adventure and watersports; in memory of Harriet Fagan; the Do Unto Others Trust; and the Friends of Changing Seas.
Upgrade Your Viewing Experience
This video is available to CallSign viewers with a Passport account. Passport gives you access to a wealth of premium content not previously available online, including full seasons of your favorite shows.