Meet the Bull Shark (Full Episode) | World's Most Iconic Animals | Nat Geo Animals

What are bull sharks? In this full episode of World's Most Iconic Animals from National Geographic, learn all about the large, stout-bodied predator, including how bull sharks have survived 450 million years thanks to their adaptability, thriving in both salt and fresh waters. Unlike most sharks, bull sharks can adjust their internal salt to live comfortably in freshwater. Their live birth, powerful jaws, and sharp senses make them apex predators, but climate change and overfishing now threaten their future, making conservation crucial. World's Most Iconic Animals | S1 E2 Chapters: 00:00 - Introduction 01:46 - Evolutionary Origins & Prehistoric Survival 07:07 - Unique Adaptations 11:01 - Mating Habits, Gestation, & Birth 20:41 - Ecological Role 27:08 - Anatomy of a Killer 33:14 - Hunting T