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A28    SCIENCE
                Wednesday 28 august 2019

            Extinction bites: countries agree to protect sharks and rays



                                                                                                                                quences since they are top
                                                                                                                                ocean predators and help
                                                                                                                                to  balance  the  ecosys-
                                                                                                                                tems, Jabado said.
                                                                                                                                Scientists  warn  that  al-
                                                                                                                                though  warming  oceans
                                                                                                                                and  climate  change  are
                                                                                                                                also hurting sharks, it is the
                                                                                                                                demand  for  shark  fin  soup
                                                                                                                                that is threatening to drive
                                                                                                                                some species to extinction.
                                                                                                                                The Pew Trust estimates that
                                                                                                                                between 63 million and 273
                                                                                                                                million  sharks  are  killed  ev-
                                                                                                                                ery year, mostly to feed the
                                                                                                                                shark fin trade centered in
                                                                                                                                Hong Kong.
                                                                                                                                Dried shark fin can draw up
                                                                                                                                to $1,000 per kilogram. The
                                                                                                                                fins  are  often  turned  into
                                                                                                                                shark  fin  soup,  a  Chinese
                                                                                                                                delicacy  that  symbolizes
                                                                                                                                good fortune, in which the
                                                                                                                                gelatinous fin is served in a
                                                                                                                                broth  whose  recipe  dates
                                                                                                                                back  to  the  10th-century
            This undated photo made available by The Pew Charitable Trusts shows the wedgefish taken on the Protea Banks, just off the Kwa-  Song  Dynasty.  Fishermen
            Zulu Natal Province, in South Africa.                                                                               often  slice  off  a  shark's  fin
                                                                                                               Associated Press  while the animal is still alive
                                                                                                                                before  tossing  the  writh-
            Associated Press             don't  ban  fishing  these  But  proponents  countered  times,"  said  Hideki  Moro-   ing  carcass  back  into  the
            GENEVA  (AP)  —  Countries  sharks  and  rays,  but  any  that stocks of sharks are in  nuki,  director  of  fisheries  ocean.
            have  agreed  to  protect  trade must be sustainable.     a  deep  dive,  with  tens  of  negotiations  at  the  Japa-  While  Chinese  celebrities
            more  than  a  dozen  shark  The move isn't final but is a  millions  killed  each  year,  nese Ministry of Agriculture,  like  retired  basketball  star
            species  at  risk  of  extinc-  key  sign  before  an  official  and  that  measures  need  Forestry  and  Fisheries.  "It's  Yao Ming are trying to per-
            tion,  in  a  move  aimed  at  decision  at  its  plenary  this  to  be  taken  now  —  with  very,  very  important  for  us  suade  diners  to  abandon
            conserving  some  of  the  coming week.                   what they call some of the  in Japan to sustainably use  the soup, many aren't con-
            ocean's most awe-inspiring  Conservationists  applaud-    most  significant  rules  ever  all those marine riches," he  vinced.
            creatures who have them-     ed  and  exchanged  hugs  adopted for trade in shark  said. He was among those  "Shark fin soup is a Chinese
            selves  become  prey  to  after the tallies. Opponents  parts.                         who  noted  that  even  the  tradition  so  why  should  I
            commercial fishing and the  variously  included  China,  Rima  Jabado,  a  shark  ex-  CITES  secretariat  had  rec-  stop eating it?" Wilson Kwan
            Chinese  appetite  for  shark  Iceland,  Japan,  Malaysia  pert  and  lead  scientist  of  ommended  rejecting  the  said outside a seafood res-
            fin soup.                    and New Zealand. The U.S.  the  Gulf  Elasmo  project,  mako shark proposal.           taurant  in  London's  China-
            Three  proposals  covering  voted  against  the  mako  said  many  of  the  species  CITES concluded that "with  town. "I know some people
            the  international  trade  of  shark  measure,  but  sup-  included  in  the  CITES  pro-  the  possible  but  uncertain  say  it's  cruel  to  sharks,  but
            18  types  of  mako  sharks,  ported the other two.       posals are classified as "crit-  exception  of  the  Mediter-  sharks are killers too."
            wedgefishes  and  guitar-    Critics   variously   argued  ically  endangered."  Jaba-  ranean,  the  population  Last  year,  there  were  an
            fishes  each  passed  with  a  that  the  measures  dis-  do said there has been an  of  (mako  sharks)  does  not  estimated  66  unprovoked
            needed  two-thirds  major-   tanced  CITES  from  its  ini-  80% decline in the number  seem to have declined be-   shark  attacks  on  humans
            ity  in  a  committee  of  the  tial  mandate  to  protect  of  wedgefishes,  based  on  low the 30% threshold in dif-  globally,  including  four  fa-
            World  Wildlife  Conference  endangered  land  animals  available  data.    Like  gi-  ferent  ocean  regions"  and  talities,  according  to  the
            known as CITES on Sunday.    and plants, not marine life,  ant  guitarfishes,  the  enig-  that "it is currently not pro-  Florida   Museum,   which
            "Today  we  are  one  step  and  insisted  the  science  matic  wedgefish  has  an  jected that declines would  tracks  such  incidents.  It  is
            closer  to  protecting  the  didn't  back  up  the  call  to  elongated triangle-shaped  continue."                 exceedingly rare for sharks
            fastest shark in the ocean,  increase  protections.  They  head and can be found in  Still,  Jabado  said  some  to  bite  humans  —  and
            as well as the most threat-  also noted that that millions  oceans  in  Southeast  Asia,  species  of  sharks  and  rays  when they do, it's often be-
            ened,"  said  Jen  Sawada,  of  Mako  sharks  exist  and  the  Arabian  Sea  and  East  are  becoming  so  difficult  cause  they  have  mistaken
            who directs The Pew Chari-   even  the  CITES  secretariat  Africa.                    to find in the wild that sci-  them for seals or other prey.
            table  Trusts'  shark  conser-  advised  against  the  pro-  Makos are the world's fast-  entists only often see them  Conservationists  say  mov-
            vation  work.  The  measures  tections.                   est sharks, reaching speeds  when they are on sale at lo-  ies like "Jaws" have unfairly
                                                                      of up to 80 mph (nearly 130  cal fish markets.            maligned society's percep-
                                                                      kph).  But  they  often  get  "How  are  we  ever  going  tion  of  sharks  and  in  turn,
                                                                      caught  up  in  the  nets  of  to save these species if we  made  it  difficult  to  garner
                                                                      fishing  trawlers  hunting  for  only see them when fisher-  support to protect them.
                                                                      tuna.                        men  bring  them  in?"  she  "People  would  be  out-
                                                                      Several countries with large  said,  adding  that  even  if  raged  if  they  were  serving
                                                                      fishing  fleets,  including  Ja-  actions  are  taken  now,  it  dolphins  in  restaurants,"
                                                                      pan, opposed the measure  will  be  decades  before  said  Graham  Buckingham
                                                                      to protect mako sharks.      shark  populations  start  to  of  the  British  shark  group,
                                                                      "Japan has been highly de-   recover. Losing more sharks  Bite-Back. "But because it's
                                                                      pendent  on  (live)  marine  and  rays  could  also  have  a  shark,  they  think  it's  per-
                                                                      resources from the ancient  other  unintended  conse-     fectly OK."q
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