Page 51 - Shark
P. 51

shArk Bite
                                                                             There have been a number of
                                                                                 attacks on surfers while sitting
                                                                                    or lying on their boards.
                                               Distribution of                         A shark has bitten
                                               fatal shark attacks                        this board
                                                                                             in two.














































                                                                                        tiger shArk
                                                               Tiger sharks eat almost anything, from turtles, seals,
                    dummy AttAck                               jellyfish, dolphins, sea birds, sea snakes, and junk like
           Wet suits do not protect against                         tin cans. They may be tempted to eat any animal,
          shark attacks, as this experiment                            including people, that might make another meal.
        with dummy shows, nor do colored
        or patterned wet suits repel sharks.                  normAl sWimming
                                                              Gray reef sharks live near
      shArk’s eye vieW                                        coral reefs in the Indian
      Attacks on surfers occur near seal or                   and Pacific oceans
      sea lion breeding colonies, when                        and grow to about
      surfers have dangled their arms or                      8 ft (2.5 m) long.
      legs over the edge of their surf boards.                When swimming
      Sharks can mistake surfers for seals                    normally, the back
      because they have similar shapes                        is gently curved and
      when seen from below.                                   the pectoral fins held
                                                              straight out from the body.
                                                              threAt posture
                                                              If a diver approaches too close
                                                              or surprises a gray reef
                                                              shark, it may adopt
                                                              this threat posture.
                                                              The shark arches
                                                              its back and holds
                                                              its pectoral fins
                                                              downward. It may
                                                              also swim around in
                                                              a figure of eight. If the
                                                              diver does not swim slowly
                                                              away, the shark may attack.
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