Page 199 - (DK) Super Shark Encyclopedia: And Other Creatures of the Deep
P. 199

GETTING



                                                                         UP CLOSE




                                                                          DIVING






                                                                       Trained human freedivers can hold their breath for
                                                                       minutes underwater, but with the right equipment this
                                                                       can stretch to over an hour. Scuba divers use a tank filled
                                                                       with compressed air that is fed to the diver through a
                                                                       mouthpiece. Scuba gear enables many people to dive
                                                                       for fun, and allows scientists to spend enough time in the
                                                                       water to study the ocean and the life that lives there.



                                                                                             BEHIND BARS
                                                                                               Protection in a cage is the only safe way to
                                                                                                 get close to great white sharks. The bars
                                                                                                  are strong enough to withstand the force
                                                                                                  of sharks crashing into them.




                                                                                                                  Bull shark accepts
                                                                                                                  a tasty morsel from
                                                                                                                  a metal-gloved diver







                                                                                 FEEDING TIME
                                                                            Some predatory sharks are
                                                                        approachable enough for divers
                                                                         to get up close and even feed
                                                                       them with scraps of food. Divers
                                                                           are always careful and treat
                                                                           these animals with respect.










                        LIGHTS, CAMERA, ACTION!
                        Underwater filming isn’t easy. Cameras
                        have to be waterproof and you may
                        need extra light to film in deep water.                                 SWIMMING WITH GIANTS
                        The really tricky part is getting your                                 The world’s biggest shark, the whale shark,
                        stars to cooperate so that you can get                                is a harmless filter feeder and stays so close
                        the perfect shot.                                                    to the surface that snorkelers can swim
                                                                                            alongside this gentle giant.            197
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