Today we know of at least 1,200 species of shark, and we’re still finding more. Sharks are a critical part of life in the ocean. But the numbers don’t lie, these magnificent animals are seriously threatened. Since 1970, the global abundance of oceanic sharks and rays has declined by 71%.
 
In this episode of Ocean Matters, Helen Czerski explores how these masters of the ocean sense their world, why they’re not the “lone hunters” depicted by Hollywood, and why we need to protect them. 
 
With special thanks Sarah Fowler from Save Our Seas Foundation, Dr David Jacoby from the Zoological Society of London, and Dr Al Dove from Georgia Aquarium. 
 
Come with us on this scientific adventure. Follow and subscribe now, wherever you get your podcasts, so that you never miss an episode.

Today we know of at least 1,200 species of shark, and we&rsquo;re still finding more. Sharks are a critical part of life in the ocean. But the numbers don&rsquo;t lie, these magnificent animals are seriously threatened. Since 1970, the global abundance of oceanic sharks and rays has declined by 71%. &nbsp; In this episode of Ocean Matters, Helen Czerski explores how these masters of the ocean sense their world, why they&rsquo;re not the &ldquo;lone hunters&rdquo; depicted by Hollywood, and why we need to protect them.&nbsp; &nbsp; With special thanks Sarah Fowler from Save Our Seas Foundation, Dr David Jacoby from the Zoological Society of London, and Dr Al Dove from Georgia Aquarium.&nbsp; &nbsp; Come with us on this scientific adventure. Follow and subscribe now, wherever you get your podcasts, so that you never miss an episode.

Our ocean is the earth's defining feature.

But the blue of our blue planet is so much more than just a colour. It is rich with life and plays an important role in keeping our planet stable and healthy. Worryingly, we are seeing our ocean change, for the worse.

In Ocean Matters, join oceanographer and physicist Helen Czerski as she meets the scientists who are working to save our ocean and marine life in one of the most remote parts of our planet.  Together, we’ll explore how the cutting-edge marine science research that’s going on there – and other places we visit - is helping to protect species across the world, and better understand what needs to be done to save our seas.

Come on this adventure. Subscribe now, wherever you get your podcasts, so that you never miss an episode.

Our ocean is the earth's defining feature.
But the blue of our blue planet is so much more than just a colour. It is rich with life and plays an important role in keeping our planet stable and healthy. Worryingly, we are seeing our ocean change, for the worse.
In Ocean Matters, join oceanographer and physicist Helen Czerski as she meets the scientists who are working to save our ocean and marine life in one of the most remote parts of our planet. &nbsp;Together, we&rsquo;ll explore how the cutting-edge marine science research that&rsquo;s going on there &ndash; and other places we visit - is helping to protect species across the world, and better understand what needs to be done to save our seas.
Come on this adventure. Subscribe now, wherever you get your podcasts, so that you never miss an episode.

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