Shark Dive | What Sam Sees

More than 400 shark species live in oceans around the world. Find out how sharks help keep marine ecosystems healthy in this episode of “What Sam Sees.“ ➡ Subscribe for more National Geographic Kids videos: ➡ Check out our playlist: ➡ Visit our website: ➡ Get the book: About What Sam Sees: Jump into the water with scuba diver Sam and discover the amazing world of underwater animals. The Sam Cam gives you a secret look at her ocean adventures, which she goes on with aquarium experts whose exclusive interviews add more fun to the journey. Check out our other fun series!: Amazing Animals: Awesome Animals: Animal LOL: Party Animals: Weird But True! Fast