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  1. Amazing Deals On Energy Efficient Products From The UKs Most Trusted Electrical Retailer. Become A Five Star Member For The Five Star Treatment Today At AO - Special Member Pricing

  2. Compare 1000s of Items and Find the Best Deals on Shark Vacuum Cleaner Today. Find the Best Deals on Shark Vacuum Cleaner Today.

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  1. Shark is the UK's best-selling vacuum cleaner brand, offering a range of products for home cleaning and beauty. Shop online with free delivery, returns and pay-in-3 options.

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  2. en.wikipedia.org › wiki › SharkShark - Wikipedia

    Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha (or Selachii) and are the sister group to the Batoidea ( rays and kin).

  3. Jul 25, 2019 · Sharks 101 | National Geographic. Sharks can rouse fear and awe like no other creature in the sea. Find out about the world's biggest and fastest sharks, how sharks reproduce, and how some...

    • 5 min
    • 8.4M
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    • Anatomy
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    Like rays and skates, sharks fall into a subclass of fish called elasmobranchii. Species in this subclass have skeletons made from cartilage, not bone, and have five to seven gill slits on each side of their heads (most other fish have only one gill slit on each side), which they use to filter oxygen from the water. Whale sharks, the largest fish s...

    Sharks are found in deep and shallow waters throughout the world’s oceans, with some migrating vast distances to breed and feed. Some species are solitary, while others hang out in groups to varying degrees. Lemon sharks, for example, have been foundto congregate in groups to socialize. Scientists are still trying to figure out how long sharks live...

    People aren’t on a shark’s menu. Even though shark attacks have increased at a steady ratesince 1900—a result of better recording of attacks and a rising human population—they are still exceedingly rare: A beachgoer has only a one in 11.5 million chance of being bitten. Sharks bite people out of curiosity, to defend themselves from a perceived thre...

    Sharks may not be a significant threat to us, but we are to them. Humans are responsible for drastic declines in shark populations. Overfishing is the biggest threat. An estimated 100 million sharks are killed each year, mostly to supply demand for an expensive Chinese dish called shark fin soup. Some fisheries allow the catch of whole sharks, like...

    Learn about the world's oldest and most diverse fish, from their skeletons and teeth to their diets and migrations. Find out how sharks are threatened by overfishing, climate change, and human activities.

    • 5 min
  4. 2 days ago · Learn about sharks, the cartilaginous fishes of predatory habit that have more than 400 living species. Find out their characteristics, habitats, diets, threats, and human interactions.

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  5. Learn about sharks, their diversity, importance and threats from overfishing, demand for fins and bycatch. Find out what WWF is doing to protect sharks and rays and how you can help.

  6. Learn about the diversity, ecology, and threats of sharks, the apex predators of the ocean. Discover how WWF is working to protect shark habitats and reduce bycatch and illegal trade.

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