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."
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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.

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Shark Dive | What Sam Sees
   • Shark Dive | What Sam Sees  

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