Page 59 - Shark
P. 59

Tagging                                                              Red flag,                     Pale blue flags
      6dorsal fin                                                            symbol                           show two
      The tag is made of                                                      of UK’s                       sharks were
      strong metal that will                                                  Shark                            released
      not corrode in seawater                                                  Angling Club
      and cause the plastic
      numbered tag to drop
      out. On the reverse side
      of the tag is an address
      to where the tag can be
      sent, should another
      angler or fisherman
      catch the tagged shark
      again in another part
      of the world.

                                           releasing
                                          7Holding the
                                          shark by her
                                          tail, the skipper
                                          gently lowers
                                          her back into
                                          the sea. Once in
                                          the water, the
                                          shark swims
                                          away as fast
                                          as she can.






                                                                                        holding The shark down
                                                                                      5This female blue shark is 5 ft (1.5 m)
                                                                                  long and weighs about 50 1b (22.5 kg). The
                                                                                skipper holds her down and gets ready to insert
                                                                              the tag. The shark can tolerate being out of the water
                                                                             for only a few minutes, so he has to work quickly to put
                                                                          the tag into her dorsal fin. Buckets of saltwater are thrown
                                                                         onto the shark to help keep her alive. In other tagging
                                                                         studies, the shark is brought close to the boat and not landed
                                                                         to keep from damaging it. Then a pole is used to stick the tag
                                                                         into the shark (pp. 28–29).



































         Threshing shark
       4  The skipper begins to haul the threshing
       shark in, but it fights every bit of the way.
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