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AZ Animals on MSNUnderstanding Shark Gills: The Key to Their Underwater SurvivalYou may think that since sharks have noses, they use them for breathing. However, unlike mammals, they use them only to smell ...
Series 1: 4. Ragged Tooth Shark. Steve Backshall meets the most sinister shark in our seas, the ragged tooth shark. 3 mins. Series 1: 5. Tiger Shark.
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