What we can learn from sharks-evolutionary marvels that have survived for 450 million years, and are essential to our planet's ecosystem. We're conditioned to see sharks as terrifying, cold-blooded underwater predators. But as Ocean Guardian founder William McKeever reveals, we need to ensure that their remarkable longevity continues. The first book to reveal in full the hidden lives of sharks, Emperors of the Deep focuses on four species-Mako, Tiger, Hammerhead, and Great White-as never before, including such fascinating details as:
- Sharks are 50 million years older than trees
- Sharks have survived five extinction level events, including the one that killed off the dinosaurs
- Sharks have electroreception, a sixth sense that lets them pick up on electric fields generated by living things
- Sharks can dive 4,000 feet below the surface
- Sharks account for only six human fatalities per year, while humans kill 100 million sharks per year
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