TTL_BOOK_v8 30.07.25 - Flipbook - Page 89
      
      
      
He remembers this encounter as quite special, because usually
tiger sharks swim separately from the other sharks. He was
昀氀oating on the surface when he noticed a tiger shark, named
Emma, and a Caribbean reef shark cruising together.
BAHAMAS
Scientists believe that sharks 昀椀rst appeared in the ocean about 455 million years ago, long before
dinosaurs. Despite their reputation, only a dozen of the more than 300 species of sharks have been
involved in attacks on humans. Most sharks are not dangerous for humans, but we are a threat for
them – they often accidentally get caught in 昀椀shing gear and are also hunted deliberately for their 昀椀ns,
which are consumed as a delicacy in some parts of the world.
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